./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/build_fullname.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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-dietlibc/build_fullname.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 d5a9d2464f90cb604e81a75f4f55e926d182d9fa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:36:47,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:47,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:47,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:47,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:47,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:47,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:47,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:47,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:47,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:47,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:47,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:47,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:47,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:47,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:47,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:47,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:47,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:47,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:47,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:47,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:47,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:47,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:47,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:47,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:47,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:47,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:47,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:47,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:47,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:47,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:47,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:47,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:47,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:47,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:47,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:47,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:47,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:47,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:47,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:47,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:47,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:47,608 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:47,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:47,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:47,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:47,610 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:47,610 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:47,610 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:47,611 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:47,611 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:47,611 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:47,611 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:47,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:47,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:47,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:47,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:47,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:47,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:47,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:47,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:47,619 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:47,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:47,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:47,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:47,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:47,620 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:47,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:47,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:47,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:47,621 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:47,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:47,623 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 -> d5a9d2464f90cb604e81a75f4f55e926d182d9fa [2020-10-20 06:36:47,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:47,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:47,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:47,830 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:47,831 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:47,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/build_fullname.i [2020-10-20 06:36:47,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5caee1e10/9c0c25b1cf064292a683ee1080fc0158/FLAG083e29cc6 [2020-10-20 06:36:48,400 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:36:48,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/build_fullname.i [2020-10-20 06:36:48,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5caee1e10/9c0c25b1cf064292a683ee1080fc0158/FLAG083e29cc6 [2020-10-20 06:36:48,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5caee1e10/9c0c25b1cf064292a683ee1080fc0158 [2020-10-20 06:36:48,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:36:48,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:36:48,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:48,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:36:48,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:36:48,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:48" (1/1) ... [2020-10-20 06:36:48,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638588cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:48, skipping insertion in model container [2020-10-20 06:36:48,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:48" (1/1) ... [2020-10-20 06:36:48,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:36:48,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:36:49,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:49,266 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:36:49,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:49,387 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:36:49,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49 WrapperNode [2020-10-20 06:36:49,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:49,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:49,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:36:49,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:36:49,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:49,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:36:49,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:36:49,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:36:49,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... [2020-10-20 06:36:49,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:36:49,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:36:49,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:36:49,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:36:49,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:36:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:36:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:36:49,966 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:36:49,967 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-20 06:36:49,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:49 BoogieIcfgContainer [2020-10-20 06:36:49,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:36:49,969 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:36:49,970 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:36:49,973 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:36:49,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:49,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:36:48" (1/3) ... [2020-10-20 06:36:49,975 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42dfd7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:49, skipping insertion in model container [2020-10-20 06:36:49,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:49,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:49" (2/3) ... [2020-10-20 06:36:49,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42dfd7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:49, skipping insertion in model container [2020-10-20 06:36:49,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:49,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:49" (3/3) ... [2020-10-20 06:36:49,978 INFO L373 chiAutomizerObserver]: Analyzing ICFG build_fullname.i [2020-10-20 06:36:50,026 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:36:50,026 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:36:50,026 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:36:50,027 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:36:50,027 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:36:50,027 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:36:50,028 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:36:50,028 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:36:50,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2020-10-20 06:36:50,060 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:36:50,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:50,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:50,066 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:36:50,066 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:36:50,067 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:36:50,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2020-10-20 06:36:50,069 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:36:50,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:50,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:50,070 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:36:50,070 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:36:50,077 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 9#L532true assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 20#L534true assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 10#L521true assume build_fullname_#t~short10;call build_fullname_#t~mem9 := read~int(build_fullname_~directory.base, 1 + build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 0 == build_fullname_#t~mem9; 13#L521-2true assume build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call write~int(47, build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 1);build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset := build_fullname_~dest~0.base, 1 + build_fullname_~dest~0.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~dest~0.base, 1 + build_fullname_~dest~0.offset;havoc build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset; 14#L523-4true strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~filename.base, build_fullname_~filename.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 24#L508-8true [2020-10-20 06:36:50,078 INFO L796 eck$LassoCheckResult]: Loop: 24#L508-8true strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 7#L508-6true assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 24#L508-8true [2020-10-20 06:36:50,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:50,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1806905919, now seen corresponding path program 1 times [2020-10-20 06:36:50,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:50,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958216599] [2020-10-20 06:36:50,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:50,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:50,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:50,404 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:50,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:50,406 INFO L82 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 1 times [2020-10-20 06:36:50,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:50,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606507603] [2020-10-20 06:36:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:50,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:50,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:50,427 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1269803204, now seen corresponding path program 1 times [2020-10-20 06:36:50,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:50,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200004150] [2020-10-20 06:36:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:50,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:50,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:50,600 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:51,953 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 149 [2020-10-20 06:36:52,376 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-20 06:36:52,393 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:52,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:52,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:52,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:52,394 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:36:52,395 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:52,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:52,395 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:52,395 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration1_Lasso [2020-10-20 06:36:52,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:52,396 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:52,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,365 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2020-10-20 06:36:53,599 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-20 06:36:53,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:53,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:54,043 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-20 06:36:54,518 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-20 06:36:54,656 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:54,661 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:54,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:54,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:54,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:54,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:54,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:54,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:54,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:36:54,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:54,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:54,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:54,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:54,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:54,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:54,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:54,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:36:54,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:54,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:54,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:54,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:54,831 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:36:54,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:54,846 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-20 06:36:54,847 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:36:54,866 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) [2020-10-20 06:36:54,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:54,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:54,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:54,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:54,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:54,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:54,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:54,920 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) [2020-10-20 06:36:54,959 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:54,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:54,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:54,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:54,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:54,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:54,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:54,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:54,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:36:55,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:55,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:55,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:55,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:55,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:55,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:55,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:55,050 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) [2020-10-20 06:36:55,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:55,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:55,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:55,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:55,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:55,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:55,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:36:55,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:36:55,377 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2020-10-20 06:36:55,378 INFO L444 ModelExtractionUtils]: 19 out of 79 variables were initially zero. Simplification set additionally 57 variables to zero. 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) [2020-10-20 06:36:55,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:55,397 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:36:55,398 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:36:55,399 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_1) = -2*ULTIMATE.start_strcpy_~s1.offset + 3*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_1 Supporting invariants [] [2020-10-20 06:36:55,715 INFO L297 tatePredicateManager]: 33 out of 35 supporting invariants were superfluous and have been removed [2020-10-20 06:36:55,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:36:55,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:55,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2020-10-20 06:36:55,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:55,932 WARN L261 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-20 06:36:55,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:36:56,064 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2020-10-20 06:36:56,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states. Second operand 5 states. [2020-10-20 06:36:56,187 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states.. Second operand 5 states. Result 60 states and 82 transitions. Complement of second has 9 states. [2020-10-20 06:36:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 06:36:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:36:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 64 transitions. [2020-10-20 06:36:56,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 64 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-20 06:36:56,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:56,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 64 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-20 06:36:56,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:56,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 64 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-20 06:36:56,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:56,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 82 transitions. [2020-10-20 06:36:56,201 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:36:56,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 23 states and 29 transitions. [2020-10-20 06:36:56,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-10-20 06:36:56,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-10-20 06:36:56,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2020-10-20 06:36:56,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:36:56,208 INFO L691 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2020-10-20 06:36:56,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2020-10-20 06:36:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2020-10-20 06:36:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 06:36:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2020-10-20 06:36:56,239 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-10-20 06:36:56,239 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-10-20 06:36:56,239 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:36:56,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2020-10-20 06:36:56,240 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:36:56,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:56,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:56,241 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:36:56,241 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:36:56,242 INFO L794 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 309#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 310#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 305#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 306#L521 assume build_fullname_#t~short10;call build_fullname_#t~mem9 := read~int(build_fullname_~directory.base, 1 + build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 0 == build_fullname_#t~mem9; 312#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 307#L523 assume !build_fullname_#t~short14;call build_fullname_#t~mem13 := read~int(build_fullname_~directory.base, 1 + build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 0 != build_fullname_#t~mem13; 308#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 294#L508-3 [2020-10-20 06:36:56,242 INFO L796 eck$LassoCheckResult]: Loop: 294#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 295#L508-1 assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 294#L508-3 [2020-10-20 06:36:56,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:56,243 INFO L82 PathProgramCache]: Analyzing trace with hash 179509076, now seen corresponding path program 1 times [2020-10-20 06:36:56,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:56,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302296046] [2020-10-20 06:36:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:36:56,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302296046] [2020-10-20 06:36:56,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:36:56,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 06:36:56,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463449137] [2020-10-20 06:36:56,319 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:36:56,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:56,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2150, now seen corresponding path program 1 times [2020-10-20 06:36:56,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:56,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197266382] [2020-10-20 06:36:56,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,334 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:56,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:36:56,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:36:56,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:36:56,426 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-10-20 06:36:56,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:36:56,487 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2020-10-20 06:36:56,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:36:56,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2020-10-20 06:36:56,490 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:36:56,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 31 transitions. [2020-10-20 06:36:56,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2020-10-20 06:36:56,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2020-10-20 06:36:56,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 31 transitions. [2020-10-20 06:36:56,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:36:56,492 INFO L691 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2020-10-20 06:36:56,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 31 transitions. [2020-10-20 06:36:56,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-10-20 06:36:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:36:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2020-10-20 06:36:56,495 INFO L714 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2020-10-20 06:36:56,495 INFO L594 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2020-10-20 06:36:56,495 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:36:56,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2020-10-20 06:36:56,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:36:56,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:56,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:56,497 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:36:56,498 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:36:56,498 INFO L794 eck$LassoCheckResult]: Stem: 368#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 364#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 365#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 358#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 359#L521 assume !build_fullname_#t~short10; 366#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 371#L523 assume build_fullname_#t~short14; 363#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 349#L508-3 [2020-10-20 06:36:56,498 INFO L796 eck$LassoCheckResult]: Loop: 349#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 350#L508-1 assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 349#L508-3 [2020-10-20 06:36:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash 179568596, now seen corresponding path program 1 times [2020-10-20 06:36:56,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:56,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818840059] [2020-10-20 06:36:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,532 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,538 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:56,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2150, now seen corresponding path program 2 times [2020-10-20 06:36:56,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:56,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691825896] [2020-10-20 06:36:56,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,544 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,548 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,550 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:56,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash 766730105, now seen corresponding path program 1 times [2020-10-20 06:36:56,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:56,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630475915] [2020-10-20 06:36:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:56,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:56,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:57,475 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 141 [2020-10-20 06:36:57,774 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-20 06:36:57,777 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:57,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:57,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:57,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:57,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:36:57,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:57,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:57,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:57,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration3_Lasso [2020-10-20 06:36:57,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:57,778 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:57,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:57,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:58,529 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2020-10-20 06:36:58,674 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2020-10-20 06:36:58,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:58,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:58,907 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 06:36:59,341 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 06:36:59,513 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-20 06:36:59,564 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:59,565 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:59,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:36:59,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,773 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) [2020-10-20 06:36:59,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:59,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,831 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 [2020-10-20 06:36:59,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,859 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 [2020-10-20 06:36:59,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,897 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 [2020-10-20 06:36:59,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,926 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 [2020-10-20 06:36:59,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,954 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 [2020-10-20 06:36:59,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:59,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:59,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:59,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:59,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:59,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:59,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:59,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:59,981 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 [2020-10-20 06:37:00,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,013 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,055 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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,083 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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:00,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:00,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:00,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,314 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 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:00,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:00,340 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 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:00,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:00,373 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:00,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:00,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,403 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:37:00,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,406 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:37:00,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,408 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 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:00,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:00,439 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 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,466 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-20 06:37:00,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,475 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 06:37:00,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:00,481 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:00,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:00,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:00,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,517 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:00,549 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 [2020-10-20 06:37:00,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:00,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:00,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:00,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:00,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:00,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:00,696 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2020-10-20 06:37:00,696 INFO L444 ModelExtractionUtils]: 48 out of 67 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:00,699 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,702 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:00,703 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:00,703 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_2, ULTIMATE.start_strcpy_~s2.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_2 - 1*ULTIMATE.start_strcpy_~s2.offset Supporting invariants [] [2020-10-20 06:37:00,839 INFO L297 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2020-10-20 06:37:00,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:00,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-20 06:37:00,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:00,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-20 06:37:00,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:00,972 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 06:37:00,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-10-20 06:37:01,038 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 36 states and 44 transitions. Complement of second has 6 states. [2020-10-20 06:37:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-20 06:37:01,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 8 letters. Loop has 2 letters. [2020-10-20 06:37:01,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:01,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-20 06:37:01,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:01,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 8 letters. Loop has 4 letters. [2020-10-20 06:37:01,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:01,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2020-10-20 06:37:01,043 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 06:37:01,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 27 states and 33 transitions. [2020-10-20 06:37:01,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-10-20 06:37:01,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2020-10-20 06:37:01,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 33 transitions. [2020-10-20 06:37:01,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:01,044 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2020-10-20 06:37:01,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 33 transitions. [2020-10-20 06:37:01,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2020-10-20 06:37:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-20 06:37:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2020-10-20 06:37:01,047 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-20 06:37:01,047 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-20 06:37:01,047 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:37:01,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2020-10-20 06:37:01,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:01,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:01,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:01,049 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:01,049 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:37:01,049 INFO L794 eck$LassoCheckResult]: Stem: 587#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 583#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 584#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 577#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 578#L521 assume !build_fullname_#t~short10; 585#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 590#L523 assume !build_fullname_#t~short14;call build_fullname_#t~mem13 := read~int(build_fullname_~directory.base, 1 + build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 0 != build_fullname_#t~mem13; 589#L523-2 assume !build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13; 588#L523-4 strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~filename.base, build_fullname_~filename.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 580#L508-8 [2020-10-20 06:37:01,049 INFO L796 eck$LassoCheckResult]: Loop: 580#L508-8 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 579#L508-6 assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 580#L508-8 [2020-10-20 06:37:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1271662512, now seen corresponding path program 1 times [2020-10-20 06:37:01,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:01,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908425251] [2020-10-20 06:37:01,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,079 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:01,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:01,079 INFO L82 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 2 times [2020-10-20 06:37:01,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:01,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102266888] [2020-10-20 06:37:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,087 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:01,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1998002699, now seen corresponding path program 1 times [2020-10-20 06:37:01,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:01,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077970311] [2020-10-20 06:37:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,132 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:01,994 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 147 [2020-10-20 06:37:02,268 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-20 06:37:02,271 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:02,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:02,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:02,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:02,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:02,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:02,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:02,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration4_Lasso [2020-10-20 06:37:02,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:02,272 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:02,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,005 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-20 06:37:03,204 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-10-20 06:37:03,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,477 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-20 06:37:03,942 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-20 06:37:04,161 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:04,161 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,170 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,196 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:04,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,221 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 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,245 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,271 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 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,296 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:04,319 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,322 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 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,355 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 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,381 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 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,408 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 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,434 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 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,458 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,484 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 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,508 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 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,532 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 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,567 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 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,592 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:04,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,642 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:04,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,678 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 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,711 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 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,736 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 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,763 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 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,789 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 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,818 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 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,843 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:37:04,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,843 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:37:04,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,846 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 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,881 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 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,909 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 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,977 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:05,023 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-10-20 06:37:05,024 INFO L444 ModelExtractionUtils]: 67 out of 79 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:05,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:05,028 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:05,028 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:05,028 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_3) = -1*ULTIMATE.start_strcpy_~s1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_3 Supporting invariants [] [2020-10-20 06:37:05,169 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2020-10-20 06:37:05,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:05,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:05,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 06:37:05,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:05,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:37:05,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:05,268 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 06:37:05,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-10-20 06:37:05,318 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 31 states and 37 transitions. Complement of second has 7 states. [2020-10-20 06:37:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 06:37:05,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2020-10-20 06:37:05,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-20 06:37:05,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:05,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 11 letters. Loop has 2 letters. [2020-10-20 06:37:05,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:05,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-20 06:37:05,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:05,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2020-10-20 06:37:05,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:05,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 26 states and 31 transitions. [2020-10-20 06:37:05,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-10-20 06:37:05,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-10-20 06:37:05,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2020-10-20 06:37:05,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:05,324 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-10-20 06:37:05,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2020-10-20 06:37:05,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2020-10-20 06:37:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:37:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2020-10-20 06:37:05,327 INFO L714 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2020-10-20 06:37:05,327 INFO L594 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2020-10-20 06:37:05,327 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 06:37:05,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2020-10-20 06:37:05,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:05,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:05,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:05,328 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:05,328 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:05,329 INFO L794 eck$LassoCheckResult]: Stem: 829#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 825#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 826#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 821#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 822#L521 assume !build_fullname_#t~short10; 827#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 830#L523 assume !build_fullname_#t~short14;call build_fullname_#t~mem13 := read~int(build_fullname_~directory.base, 1 + build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 0 != build_fullname_#t~mem13; 824#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 809#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 810#L508-1 assume !(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 815#L508-4 strcpy_#res.base, strcpy_#res.offset := strcpy_~res~0.base, strcpy_~res~0.offset; 816#L509 build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset := strcpy_#res.base, strcpy_#res.offset;havoc build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset;strchr_#in~t.base, strchr_#in~t.offset, strchr_#in~c := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 0;havoc strchr_#res.base, strchr_#res.offset;havoc strchr_#t~mem5, strchr_#t~mem6, strchr_#t~pre7.base, strchr_#t~pre7.offset, strchr_~t.base, strchr_~t.offset, strchr_~c, strchr_~ch~0;strchr_~t.base, strchr_~t.offset := strchr_#in~t.base, strchr_#in~t.offset;strchr_~c := strchr_#in~c;havoc strchr_~ch~0;strchr_~ch~0 := (if strchr_~c % 256 <= 127 then strchr_~c % 256 else strchr_~c % 256 - 256); 818#L514-2 [2020-10-20 06:37:05,329 INFO L796 eck$LassoCheckResult]: Loop: 818#L514-2 assume !false;call strchr_#t~mem5 := read~int(strchr_~t.base, strchr_~t.offset, 1); 812#L515 assume !(strchr_#t~mem5 == strchr_~ch~0);havoc strchr_#t~mem5;call strchr_#t~mem6 := read~int(strchr_~t.base, strchr_~t.offset, 1); 814#L515-2 assume !(0 == strchr_#t~mem6);havoc strchr_#t~mem6;strchr_#t~pre7.base, strchr_#t~pre7.offset := strchr_~t.base, 1 + strchr_~t.offset;strchr_~t.base, strchr_~t.offset := strchr_~t.base, 1 + strchr_~t.offset;havoc strchr_#t~pre7.base, strchr_#t~pre7.offset; 818#L514-2 [2020-10-20 06:37:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1849486153, now seen corresponding path program 1 times [2020-10-20 06:37:05,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343988737] [2020-10-20 06:37:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:05,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343988737] [2020-10-20 06:37:05,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:37:05,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 06:37:05,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540520190] [2020-10-20 06:37:05,382 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:37:05,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,382 INFO L82 PathProgramCache]: Analyzing trace with hash 85564, now seen corresponding path program 1 times [2020-10-20 06:37:05,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583336017] [2020-10-20 06:37:05,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,390 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:37:05,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 06:37:05,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:37:05,420 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand 6 states. [2020-10-20 06:37:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:37:05,514 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-10-20 06:37:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:37:05,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2020-10-20 06:37:05,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:05,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2020-10-20 06:37:05,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-10-20 06:37:05,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-10-20 06:37:05,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2020-10-20 06:37:05,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:05,517 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-10-20 06:37:05,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2020-10-20 06:37:05,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2020-10-20 06:37:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-20 06:37:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2020-10-20 06:37:05,525 INFO L714 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-10-20 06:37:05,526 INFO L594 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-10-20 06:37:05,526 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-20 06:37:05,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2020-10-20 06:37:05,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:05,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:05,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:05,528 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:05,528 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:05,528 INFO L794 eck$LassoCheckResult]: Stem: 894#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 889#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 890#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 883#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 884#L521 assume !build_fullname_#t~short10; 891#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 897#L523 assume build_fullname_#t~short14; 888#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 896#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 875#L508-1 assume !(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 879#L508-4 strcpy_#res.base, strcpy_#res.offset := strcpy_~res~0.base, strcpy_~res~0.offset; 880#L509 build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset := strcpy_#res.base, strcpy_#res.offset;havoc build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset;strchr_#in~t.base, strchr_#in~t.offset, strchr_#in~c := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 0;havoc strchr_#res.base, strchr_#res.offset;havoc strchr_#t~mem5, strchr_#t~mem6, strchr_#t~pre7.base, strchr_#t~pre7.offset, strchr_~t.base, strchr_~t.offset, strchr_~c, strchr_~ch~0;strchr_~t.base, strchr_~t.offset := strchr_#in~t.base, strchr_#in~t.offset;strchr_~c := strchr_#in~c;havoc strchr_~ch~0;strchr_~ch~0 := (if strchr_~c % 256 <= 127 then strchr_~c % 256 else strchr_~c % 256 - 256); 882#L514-2 [2020-10-20 06:37:05,529 INFO L796 eck$LassoCheckResult]: Loop: 882#L514-2 assume !false;call strchr_#t~mem5 := read~int(strchr_~t.base, strchr_~t.offset, 1); 876#L515 assume !(strchr_#t~mem5 == strchr_~ch~0);havoc strchr_#t~mem5;call strchr_#t~mem6 := read~int(strchr_~t.base, strchr_~t.offset, 1); 878#L515-2 assume !(0 == strchr_#t~mem6);havoc strchr_#t~mem6;strchr_#t~pre7.base, strchr_#t~pre7.offset := strchr_~t.base, 1 + strchr_~t.offset;strchr_~t.base, strchr_~t.offset := strchr_~t.base, 1 + strchr_~t.offset;havoc strchr_#t~pre7.base, strchr_#t~pre7.offset; 882#L514-2 [2020-10-20 06:37:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1906744455, now seen corresponding path program 1 times [2020-10-20 06:37:05,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252073773] [2020-10-20 06:37:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,553 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,587 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,587 INFO L82 PathProgramCache]: Analyzing trace with hash 85564, now seen corresponding path program 2 times [2020-10-20 06:37:05,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431229077] [2020-10-20 06:37:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,598 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1413453764, now seen corresponding path program 1 times [2020-10-20 06:37:05,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249629081] [2020-10-20 06:37:05,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:05,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249629081] [2020-10-20 06:37:05,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:37:05,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 06:37:05,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828799359] [2020-10-20 06:37:05,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:37:05,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 06:37:05,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:37:05,769 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand 7 states. [2020-10-20 06:37:05,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:37:05,872 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2020-10-20 06:37:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:37:05,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2020-10-20 06:37:05,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:05,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 43 transitions. [2020-10-20 06:37:05,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2020-10-20 06:37:05,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2020-10-20 06:37:05,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2020-10-20 06:37:05,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:05,876 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2020-10-20 06:37:05,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2020-10-20 06:37:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2020-10-20 06:37:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-20 06:37:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-20 06:37:05,879 INFO L714 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-20 06:37:05,879 INFO L594 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-20 06:37:05,879 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-20 06:37:05,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2020-10-20 06:37:05,880 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:05,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:05,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:05,881 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:05,881 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:05,881 INFO L794 eck$LassoCheckResult]: Stem: 973#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 968#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 969#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 961#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 962#L521 assume !build_fullname_#t~short10; 970#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 977#L523 assume build_fullname_#t~short14; 966#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 972#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 981#L508-1 assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 952#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 953#L508-1 assume !(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 957#L508-4 strcpy_#res.base, strcpy_#res.offset := strcpy_~res~0.base, strcpy_~res~0.offset; 958#L509 build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset := strcpy_#res.base, strcpy_#res.offset;havoc build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset;strchr_#in~t.base, strchr_#in~t.offset, strchr_#in~c := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 0;havoc strchr_#res.base, strchr_#res.offset;havoc strchr_#t~mem5, strchr_#t~mem6, strchr_#t~pre7.base, strchr_#t~pre7.offset, strchr_~t.base, strchr_~t.offset, strchr_~c, strchr_~ch~0;strchr_~t.base, strchr_~t.offset := strchr_#in~t.base, strchr_#in~t.offset;strchr_~c := strchr_#in~c;havoc strchr_~ch~0;strchr_~ch~0 := (if strchr_~c % 256 <= 127 then strchr_~c % 256 else strchr_~c % 256 - 256); 967#L514-2 [2020-10-20 06:37:05,881 INFO L796 eck$LassoCheckResult]: Loop: 967#L514-2 assume !false;call strchr_#t~mem5 := read~int(strchr_~t.base, strchr_~t.offset, 1); 954#L515 assume !(strchr_#t~mem5 == strchr_~ch~0);havoc strchr_#t~mem5;call strchr_#t~mem6 := read~int(strchr_~t.base, strchr_~t.offset, 1); 956#L515-2 assume !(0 == strchr_#t~mem6);havoc strchr_#t~mem6;strchr_#t~pre7.base, strchr_#t~pre7.offset := strchr_~t.base, 1 + strchr_~t.offset;strchr_~t.base, strchr_~t.offset := strchr_~t.base, 1 + strchr_~t.offset;havoc strchr_#t~pre7.base, strchr_#t~pre7.offset; 967#L514-2 [2020-10-20 06:37:05,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1571186846, now seen corresponding path program 1 times [2020-10-20 06:37:05,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195047505] [2020-10-20 06:37:05,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,900 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,919 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,919 INFO L82 PathProgramCache]: Analyzing trace with hash 85564, now seen corresponding path program 3 times [2020-10-20 06:37:05,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159319549] [2020-10-20 06:37:05,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,925 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,925 INFO L82 PathProgramCache]: Analyzing trace with hash 673793151, now seen corresponding path program 1 times [2020-10-20 06:37:05,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200904236] [2020-10-20 06:37:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,973 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:08,147 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 274 DAG size of output: 225 [2020-10-20 06:37:10,933 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 176 DAG size of output: 167 [2020-10-20 06:37:10,936 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:10,936 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:10,936 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:10,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:10,936 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:10,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:10,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:10,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration7_Lasso [2020-10-20 06:37:10,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:10,937 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:10,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:10,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,111 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2020-10-20 06:37:12,238 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-20 06:37:12,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:12,584 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-10-20 06:37:12,754 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-20 06:37:13,058 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-20 06:37:13,228 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-20 06:37:13,377 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:13,378 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,384 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 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,408 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 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,432 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:13,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,459 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 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,489 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 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,515 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 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,541 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 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,565 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 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:13,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:13,593 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:13,614 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,618 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 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:13,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:13,645 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 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,681 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 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,705 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 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,729 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 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,755 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 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,779 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 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,804 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 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,830 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 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:13,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:13,857 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 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,906 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 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:13,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:13,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:13,932 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 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:13,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:13,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:13,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:13,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:13,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:13,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:13,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:14,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:14,116 INFO L443 ModelExtractionUtils]: Simplification made 39 calls to the SMT solver. [2020-10-20 06:37:14,116 INFO L444 ModelExtractionUtils]: 19 out of 70 variables were initially zero. Simplification set additionally 44 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:14,118 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:14,121 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 06:37:14,121 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:14,121 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_4, ULTIMATE.start_strchr_~t.offset, ULTIMATE.start_main_~dir_len~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_4 - 1*ULTIMATE.start_strchr_~t.offset + 3*ULTIMATE.start_main_~dir_len~0 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_4 - 1*v_rep(select #length ULTIMATE.start_strchr_~t.base)_1 + 3*ULTIMATE.start_main_~dir_len~0 >= 0] [2020-10-20 06:37:14,353 INFO L297 tatePredicateManager]: 43 out of 44 supporting invariants were superfluous and have been removed [2020-10-20 06:37:14,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:14,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:14,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 27 conjunts are in the unsatisfiable core [2020-10-20 06:37:14,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:14,467 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_166|], 2=[|v_#valid_209|]} [2020-10-20 06:37:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:37:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:37:14,506 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:37:14,507 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 33 [2020-10-20 06:37:14,507 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:37:14,538 INFO L625 ElimStorePlain]: treesize reduction 10, result has 79.2 percent of original size [2020-10-20 06:37:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:37:14,546 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:37:14,548 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:37:14,562 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:37:14,564 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:14,567 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:37:14,568 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:30 [2020-10-20 06:37:14,569 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:37:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:14,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:37:14,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:14,664 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-20 06:37:14,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 10 Second operand 6 states. [2020-10-20 06:37:14,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 10. Second operand 6 states. Result 42 states and 54 transitions. Complement of second has 7 states. [2020-10-20 06:37:14,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 06:37:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2020-10-20 06:37:14,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 14 letters. Loop has 3 letters. [2020-10-20 06:37:14,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:14,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 17 letters. Loop has 3 letters. [2020-10-20 06:37:14,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:14,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 14 letters. Loop has 6 letters. [2020-10-20 06:37:14,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:14,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 54 transitions. [2020-10-20 06:37:14,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:14,738 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 35 states and 43 transitions. [2020-10-20 06:37:14,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-10-20 06:37:14,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-20 06:37:14,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2020-10-20 06:37:14,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:14,738 INFO L691 BuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2020-10-20 06:37:14,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2020-10-20 06:37:14,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-10-20 06:37:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 06:37:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2020-10-20 06:37:14,741 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-10-20 06:37:14,742 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-10-20 06:37:14,742 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-20 06:37:14,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2020-10-20 06:37:14,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:14,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:14,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:14,743 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:14,744 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:37:14,744 INFO L794 eck$LassoCheckResult]: Stem: 1310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1305#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 1306#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 1300#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 1301#L521 assume !build_fullname_#t~short10; 1307#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 1317#L523 assume build_fullname_#t~short14; 1303#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 1316#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 1315#L508-1 assume !(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 1294#L508-4 strcpy_#res.base, strcpy_#res.offset := strcpy_~res~0.base, strcpy_~res~0.offset; 1295#L509 build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset := strcpy_#res.base, strcpy_#res.offset;havoc build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset;strchr_#in~t.base, strchr_#in~t.offset, strchr_#in~c := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 0;havoc strchr_#res.base, strchr_#res.offset;havoc strchr_#t~mem5, strchr_#t~mem6, strchr_#t~pre7.base, strchr_#t~pre7.offset, strchr_~t.base, strchr_~t.offset, strchr_~c, strchr_~ch~0;strchr_~t.base, strchr_~t.offset := strchr_#in~t.base, strchr_#in~t.offset;strchr_~c := strchr_#in~c;havoc strchr_~ch~0;strchr_~ch~0 := (if strchr_~c % 256 <= 127 then strchr_~c % 256 else strchr_~c % 256 - 256); 1304#L514-2 assume !false;call strchr_#t~mem5 := read~int(strchr_~t.base, strchr_~t.offset, 1); 1289#L515 assume strchr_#t~mem5 == strchr_~ch~0;havoc strchr_#t~mem5; 1290#L514-3 strchr_#res.base, strchr_#res.offset := strchr_~t.base, strchr_~t.offset; 1296#L517 build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset := strchr_#res.base, strchr_#res.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset;havoc build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset;call write~int(47, build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 1);build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset := build_fullname_~dest~0.base, 1 + build_fullname_~dest~0.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~dest~0.base, 1 + build_fullname_~dest~0.offset;havoc build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset; 1313#L523-4 strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~filename.base, build_fullname_~filename.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 1299#L508-8 [2020-10-20 06:37:14,744 INFO L796 eck$LassoCheckResult]: Loop: 1299#L508-8 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 1298#L508-6 assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 1299#L508-8 [2020-10-20 06:37:14,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1119349231, now seen corresponding path program 1 times [2020-10-20 06:37:14,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:14,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980908612] [2020-10-20 06:37:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:14,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:14,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:14,782 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:14,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:14,783 INFO L82 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 3 times [2020-10-20 06:37:14,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:14,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119059861] [2020-10-20 06:37:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:14,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:14,788 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:14,789 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:14,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1952789620, now seen corresponding path program 1 times [2020-10-20 06:37:14,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:14,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464896343] [2020-10-20 06:37:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:14,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:14,835 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:14,840 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:16,936 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 286 DAG size of output: 230 [2020-10-20 06:37:18,288 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 163 DAG size of output: 154 [2020-10-20 06:37:18,290 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:18,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:18,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:18,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:18,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:18,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:18,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:18,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:18,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: build_fullname.i_Iteration8_Lasso [2020-10-20 06:37:18,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:18,291 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:18,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:18,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,287 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 132 [2020-10-20 06:37:19,529 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2020-10-20 06:37:19,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:19,874 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-20 06:37:20,102 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-20 06:37:20,485 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-20 06:37:20,711 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-20 06:37:20,825 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:20,825 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:20,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,835 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 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,857 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 [2020-10-20 06:37:20,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,860 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 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:20,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,884 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 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:20,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,907 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 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:20,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,931 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 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:20,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,955 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 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:20,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:20,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:20,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:20,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:20,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:20,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:20,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:20,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:20,981 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 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,013 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 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,038 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 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,067 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 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,091 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 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,116 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 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:21,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,177 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 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:21,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,202 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 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:21,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:21,233 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 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:21,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,255 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:37:21,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:37:21,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:21,257 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 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:21,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:21,286 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 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:21,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:21,316 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 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:21,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:21,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:21,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:21,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:21,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:21,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:21,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:21,424 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-10-20 06:37:21,424 INFO L444 ModelExtractionUtils]: 55 out of 88 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 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:21,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:21,435 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:21,435 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:21,435 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_5, ULTIMATE.start_strcpy_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_5 - 1*ULTIMATE.start_strcpy_~s1.offset Supporting invariants [] [2020-10-20 06:37:21,655 INFO L297 tatePredicateManager]: 41 out of 42 supporting invariants were superfluous and have been removed [2020-10-20 06:37:21,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:21,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:21,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjunts are in the unsatisfiable core [2020-10-20 06:37:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:21,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:37:21,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:21,805 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-20 06:37:21,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10 Second operand 6 states. [2020-10-20 06:37:21,963 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 10. Second operand 6 states. Result 41 states and 48 transitions. Complement of second has 10 states. [2020-10-20 06:37:21,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 06:37:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 06:37:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 28 transitions. [2020-10-20 06:37:21,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 06:37:21,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:21,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-20 06:37:21,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:21,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-20 06:37:21,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:21,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2020-10-20 06:37:21,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:21,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 34 states and 40 transitions. [2020-10-20 06:37:21,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-10-20 06:37:21,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-10-20 06:37:21,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 40 transitions. [2020-10-20 06:37:21,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:21,969 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2020-10-20 06:37:21,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 40 transitions. [2020-10-20 06:37:21,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-20 06:37:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-20 06:37:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2020-10-20 06:37:21,971 INFO L714 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-10-20 06:37:21,971 INFO L594 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-10-20 06:37:21,971 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-10-20 06:37:21,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2020-10-20 06:37:21,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:21,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:21,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:21,973 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:21,973 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:37:21,973 INFO L794 eck$LassoCheckResult]: Stem: 1652#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1647#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~malloc21.base, main_#t~malloc21.offset, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_~dir_len~0, main_~file_len~0, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset, main_~output~0.base, main_~output~0.offset;main_~dir_len~0 := main_#t~nondet19;havoc main_#t~nondet19; 1648#L532 assume !(main_~dir_len~0 < 1);main_~file_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 1642#L534 assume !(main_~file_len~0 < 1);call main_#t~malloc21.base, main_#t~malloc21.offset := #Ultimate.allocOnStack(main_~dir_len~0);main_~dir~0.base, main_~dir~0.offset := main_#t~malloc21.base, main_#t~malloc21.offset;call write~int(0, main_~dir~0.base, main_~dir~0.offset + (main_~dir_len~0 - 1), 1);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~file_len~0);main_~file~0.base, main_~file~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~file~0.base, main_~file~0.offset + (main_~file_len~0 - 1), 1);call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(2 + (main_~dir_len~0 + main_~file_len~0));main_~output~0.base, main_~output~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset, build_fullname_#in~directory.base, build_fullname_#in~directory.offset, build_fullname_#in~filename.base, build_fullname_#in~filename.offset := main_~output~0.base, main_~output~0.offset, main_~dir~0.base, main_~dir~0.offset, main_~file~0.base, main_~file~0.offset;havoc build_fullname_#t~mem8, build_fullname_#t~mem9, build_fullname_#t~short10, build_fullname_#t~pre11.base, build_fullname_#t~pre11.offset, build_fullname_#t~mem12, build_fullname_#t~mem13, build_fullname_#t~short14, build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset, build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset, build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset, build_fullname_#t~ret18.base, build_fullname_#t~ret18.offset, build_fullname_~fullname.base, build_fullname_~fullname.offset, build_fullname_~directory.base, build_fullname_~directory.offset, build_fullname_~filename.base, build_fullname_~filename.offset, build_fullname_~dest~0.base, build_fullname_~dest~0.offset;build_fullname_~fullname.base, build_fullname_~fullname.offset := build_fullname_#in~fullname.base, build_fullname_#in~fullname.offset;build_fullname_~directory.base, build_fullname_~directory.offset := build_fullname_#in~directory.base, build_fullname_#in~directory.offset;build_fullname_~filename.base, build_fullname_~filename.offset := build_fullname_#in~filename.base, build_fullname_#in~filename.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~fullname.base, build_fullname_~fullname.offset;call build_fullname_#t~mem8 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short10 := 47 == build_fullname_#t~mem8; 1643#L521 assume !build_fullname_#t~short10; 1649#L521-2 assume !build_fullname_#t~short10;havoc build_fullname_#t~short10;havoc build_fullname_#t~mem9;havoc build_fullname_#t~mem8;call build_fullname_#t~mem12 := read~int(build_fullname_~directory.base, build_fullname_~directory.offset, 1);build_fullname_#t~short14 := 46 != build_fullname_#t~mem12; 1659#L523 assume build_fullname_#t~short14; 1645#L523-2 assume build_fullname_#t~short14;havoc build_fullname_#t~mem12;havoc build_fullname_#t~short14;havoc build_fullname_#t~mem13;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~directory.base, build_fullname_~directory.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 1658#L508-3 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 1657#L508-1 assume !(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 1656#L508-4 strcpy_#res.base, strcpy_#res.offset := strcpy_~res~0.base, strcpy_~res~0.offset; 1653#L509 build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset := strcpy_#res.base, strcpy_#res.offset;havoc build_fullname_#t~ret15.base, build_fullname_#t~ret15.offset;strchr_#in~t.base, strchr_#in~t.offset, strchr_#in~c := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 0;havoc strchr_#res.base, strchr_#res.offset;havoc strchr_#t~mem5, strchr_#t~mem6, strchr_#t~pre7.base, strchr_#t~pre7.offset, strchr_~t.base, strchr_~t.offset, strchr_~c, strchr_~ch~0;strchr_~t.base, strchr_~t.offset := strchr_#in~t.base, strchr_#in~t.offset;strchr_~c := strchr_#in~c;havoc strchr_~ch~0;strchr_~ch~0 := (if strchr_~c % 256 <= 127 then strchr_~c % 256 else strchr_~c % 256 - 256); 1646#L514-2 assume !false;call strchr_#t~mem5 := read~int(strchr_~t.base, strchr_~t.offset, 1); 1632#L515 assume !(strchr_#t~mem5 == strchr_~ch~0);havoc strchr_#t~mem5;call strchr_#t~mem6 := read~int(strchr_~t.base, strchr_~t.offset, 1); 1633#L515-2 assume 0 == strchr_#t~mem6;havoc strchr_#t~mem6;strchr_#res.base, strchr_#res.offset := 0, 0; 1638#L517 build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset := strchr_#res.base, strchr_#res.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset;havoc build_fullname_#t~ret16.base, build_fullname_#t~ret16.offset;call write~int(47, build_fullname_~dest~0.base, build_fullname_~dest~0.offset, 1);build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset := build_fullname_~dest~0.base, 1 + build_fullname_~dest~0.offset;build_fullname_~dest~0.base, build_fullname_~dest~0.offset := build_fullname_~dest~0.base, 1 + build_fullname_~dest~0.offset;havoc build_fullname_#t~pre17.base, build_fullname_#t~pre17.offset; 1654#L523-4 strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := build_fullname_~dest~0.base, build_fullname_~dest~0.offset, build_fullname_~filename.base, build_fullname_~filename.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 1641#L508-8 [2020-10-20 06:37:21,973 INFO L796 eck$LassoCheckResult]: Loop: 1641#L508-8 strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 1640#L508-6 assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~post2.base, strcpy_#t~post2.offset;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~mem4; 1641#L508-8 [2020-10-20 06:37:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:21,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1119402086, now seen corresponding path program 1 times [2020-10-20 06:37:21,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:21,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791673070] [2020-10-20 06:37:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:22,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791673070] [2020-10-20 06:37:22,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:37:22,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:37:22,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423737913] [2020-10-20 06:37:22,018 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:37:22,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:22,019 INFO L82 PathProgramCache]: Analyzing trace with hash 3590, now seen corresponding path program 4 times [2020-10-20 06:37:22,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:22,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361965641] [2020-10-20 06:37:22,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:22,022 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:22,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:22,025 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:22,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:37:22,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:37:22,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:37:22,107 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-10-20 06:37:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:37:22,133 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2020-10-20 06:37:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:37:22,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2020-10-20 06:37:22,134 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:22,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-10-20 06:37:22,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:37:22,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:37:22,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:37:22,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:22,135 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:22,135 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:22,136 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:22,136 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-10-20 06:37:22,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:37:22,136 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:22,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:37:22,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:37:22 BoogieIcfgContainer [2020-10-20 06:37:22,141 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:37:22,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:37:22,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:37:22,142 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:37:22,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:49" (3/4) ... [2020-10-20 06:37:22,145 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:37:22,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:37:22,146 INFO L168 Benchmark]: Toolchain (without parser) took 33381.93 ms. Allocated memory was 39.3 MB in the beginning and 164.1 MB in the end (delta: 124.8 MB). Free memory was 13.6 MB in the beginning and 97.9 MB in the end (delta: -84.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,146 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 38.8 MB. Free memory was 18.5 MB in the beginning and 18.4 MB in the end (delta: 50.5 kB). Peak memory consumption was 50.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.08 ms. Allocated memory was 39.3 MB in the beginning and 45.6 MB in the end (delta: 6.3 MB). Free memory was 12.6 MB in the beginning and 17.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.34 ms. Allocated memory was 45.6 MB in the beginning and 46.7 MB in the end (delta: 1.0 MB). Free memory was 17.5 MB in the beginning and 29.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,147 INFO L168 Benchmark]: Boogie Preprocessor took 33.17 ms. Allocated memory is still 46.7 MB. Free memory was 29.5 MB in the beginning and 27.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,148 INFO L168 Benchmark]: RCFGBuilder took 464.42 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 27.4 MB in the beginning and 20.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,148 INFO L168 Benchmark]: BuchiAutomizer took 32172.07 ms. Allocated memory was 47.2 MB in the beginning and 164.1 MB in the end (delta: 116.9 MB). Free memory was 19.9 MB in the beginning and 97.9 MB in the end (delta: -78.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:22,148 INFO L168 Benchmark]: Witness Printer took 3.38 ms. Allocated memory is still 164.1 MB. Free memory is still 97.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:37:22,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 38.8 MB. Free memory was 18.5 MB in the beginning and 18.4 MB in the end (delta: 50.5 kB). Peak memory consumption was 50.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 615.08 ms. Allocated memory was 39.3 MB in the beginning and 45.6 MB in the end (delta: 6.3 MB). Free memory was 12.6 MB in the beginning and 17.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.34 ms. Allocated memory was 45.6 MB in the beginning and 46.7 MB in the end (delta: 1.0 MB). Free memory was 17.5 MB in the beginning and 29.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 33.17 ms. Allocated memory is still 46.7 MB. Free memory was 29.5 MB in the beginning and 27.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 464.42 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 27.4 MB in the beginning and 20.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 32172.07 ms. Allocated memory was 47.2 MB in the beginning and 164.1 MB in the end (delta: 116.9 MB). Free memory was 19.9 MB in the beginning and 97.9 MB in the end (delta: -78.0 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. * Witness Printer took 3.38 ms. Allocated memory is still 164.1 MB. Free memory is still 97.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * s1 + 3 * unknown-#length-unknown[__builtin_alloca (file_len)] and consists of 7 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (dir_len+file_len+2)] + -1 * s2 and consists of 4 locations. One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[__builtin_alloca (dir_len+file_len+2)] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (file_len)] + -1 * t + 3 * dir_len and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (dir_len+file_len+2)] + -1 * s1 and consists of 8 locations. 4 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.1s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 30.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 33 states and ocurred in iteration 7. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 167 SDtfs, 209 SDslu, 216 SDs, 0 SdLazy, 263 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital463 mio100 ax100 hnf99 lsp97 ukn68 mio100 lsp45 div100 bol100 ite100 ukn100 eq205 hnf86 smp99 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...