./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9d8db831e66fcf4f47c300fcbd3a74f1185238a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:00:13,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:00:13,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:00:13,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:00:13,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:00:13,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:00:13,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:00:13,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:00:13,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:00:13,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:00:13,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:00:13,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:00:13,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:00:13,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:00:13,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:00:13,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:00:13,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:00:13,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:00:13,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:00:13,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:00:13,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:00:13,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:00:13,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:00:13,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:00:13,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:00:13,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:00:13,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:00:13,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:00:13,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:00:13,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:00:13,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:00:13,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:00:13,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:00:13,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:00:13,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:00:13,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:00:13,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:00:13,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:00:13,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:00:13,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:00:13,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:00:13,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:00:13,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:00:13,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:00:13,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:00:13,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:00:13,199 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:00:13,200 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:00:13,200 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:00:13,200 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:00:13,201 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:00:13,201 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:00:13,202 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:00:13,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:00:13,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:00:13,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:00:13,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:00:13,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:00:13,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:00:13,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:00:13,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:00:13,205 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:00:13,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:00:13,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:00:13,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:00:13,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:00:13,207 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:00:13,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:00:13,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:00:13,208 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:00:13,209 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:00:13,209 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 -> e9d8db831e66fcf4f47c300fcbd3a74f1185238a [2019-11-28 03:00:13,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:00:13,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:00:13,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:00:13,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:00:13,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:00:13,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2019-11-28 03:00:13,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd07fb73a/7c0d9715591c47be934b96f018513eb7/FLAGf179f83ed [2019-11-28 03:00:14,173 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:00:14,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2019-11-28 03:00:14,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd07fb73a/7c0d9715591c47be934b96f018513eb7/FLAGf179f83ed [2019-11-28 03:00:14,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd07fb73a/7c0d9715591c47be934b96f018513eb7 [2019-11-28 03:00:14,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:00:14,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:00:14,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:00:14,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:00:14,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:00:14,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:14" (1/1) ... [2019-11-28 03:00:14,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:14, skipping insertion in model container [2019-11-28 03:00:14,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:14" (1/1) ... [2019-11-28 03:00:14,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:00:14,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:00:14,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:00:14,958 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:00:14,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:00:15,058 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:00:15,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15 WrapperNode [2019-11-28 03:00:15,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:00:15,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:00:15,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:00:15,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:00:15,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:00:15,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:00:15,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:00:15,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:00:15,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... [2019-11-28 03:00:15,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:00:15,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:00:15,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:00:15,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:00:15,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:00:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:00:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:00:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:00:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:00:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:00:15,525 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:00:15,525 INFO L297 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 03:00:15,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:15 BoogieIcfgContainer [2019-11-28 03:00:15,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:00:15,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:00:15,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:00:15,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:00:15,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:00:15,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:00:14" (1/3) ... [2019-11-28 03:00:15,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4158726e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:15, skipping insertion in model container [2019-11-28 03:00:15,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:00:15,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:15" (2/3) ... [2019-11-28 03:00:15,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4158726e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:15, skipping insertion in model container [2019-11-28 03:00:15,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:00:15,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:15" (3/3) ... [2019-11-28 03:00:15,538 INFO L371 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2019-11-28 03:00:15,584 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:00:15,584 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:00:15,584 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:00:15,584 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:00:15,585 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:00:15,585 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:00:15,585 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:00:15,585 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:00:15,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:00:15,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:15,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:00:15,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:00:15,626 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:00:15,626 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:00:15,626 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:00:15,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:00:15,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:15,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:00:15,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:00:15,629 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:00:15,629 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:00:15,636 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 10#L558-2true [2019-11-28 03:00:15,636 INFO L796 eck$LassoCheckResult]: Loop: 10#L558-2true call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 8#L552-1true assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4#L553true assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 9#L553-2true call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 5#L558true assume 0 != main_#t~mem10;havoc main_#t~mem10;call write~int(0, main_~x~0.base, main_~x~0.offset, 4); 10#L558-2true [2019-11-28 03:00:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:15,641 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 03:00:15,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:15,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353296339] [2019-11-28 03:00:15,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:15,790 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:15,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:15,792 INFO L82 PathProgramCache]: Analyzing trace with hash 35468238, now seen corresponding path program 1 times [2019-11-28 03:00:15,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:15,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676332492] [2019-11-28 03:00:15,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:15,860 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:15,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:15,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907724, now seen corresponding path program 1 times [2019-11-28 03:00:15,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:15,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944423306] [2019-11-28 03:00:15,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:00:16,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944423306] [2019-11-28 03:00:16,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:00:16,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:00:16,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747925146] [2019-11-28 03:00:16,273 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-11-28 03:00:16,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:00:16,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 03:00:16,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 03:00:16,294 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2019-11-28 03:00:16,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:00:16,347 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-11-28 03:00:16,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 03:00:16,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2019-11-28 03:00:16,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:16,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2019-11-28 03:00:16,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-28 03:00:16,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 03:00:16,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2019-11-28 03:00:16,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:00:16,358 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-28 03:00:16,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2019-11-28 03:00:16,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-28 03:00:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 03:00:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-11-28 03:00:16,387 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-28 03:00:16,387 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-28 03:00:16,387 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:00:16,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2019-11-28 03:00:16,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:16,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:00:16,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:00:16,388 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:00:16,388 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:00:16,389 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 37#L558-2 [2019-11-28 03:00:16,389 INFO L796 eck$LassoCheckResult]: Loop: 37#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 42#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 38#L553 assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 39#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 40#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 37#L558-2 [2019-11-28 03:00:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:16,389 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-28 03:00:16,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:16,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399384159] [2019-11-28 03:00:16,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:16,413 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:16,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:16,414 INFO L82 PathProgramCache]: Analyzing trace with hash 35468240, now seen corresponding path program 1 times [2019-11-28 03:00:16,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:16,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921220513] [2019-11-28 03:00:16,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:16,437 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:16,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:16,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907726, now seen corresponding path program 1 times [2019-11-28 03:00:16,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:16,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852405816] [2019-11-28 03:00:16,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:16,508 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:16,891 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-28 03:00:16,994 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:00:16,995 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:00:16,996 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:00:16,996 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:00:16,996 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:00:16,996 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:16,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:00:16,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:00:16,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration2_Lasso [2019-11-28 03:00:16,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:00:16,998 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:00:17,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,230 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-11-28 03:00:17,342 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-28 03:00:17,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:17,816 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:00:17,822 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 [2019-11-28 03:00:17,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:17,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:17,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:17,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:17,847 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 [2019-11-28 03:00:17,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:17,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:17,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:17,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:17,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:17,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:17,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:17,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:17,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:17,895 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) [2019-11-28 03:00:17,910 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:17,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:17,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:17,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:17,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:17,931 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 [2019-11-28 03:00:17,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:17,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:17,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:17,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:17,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:17,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:17,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:17,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:17,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:17,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:17,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:17,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:17,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:17,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:17,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:17,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:17,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:17,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:18,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:18,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:18,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:18,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:18,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:18,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:18,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:18,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:18,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:18,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:18,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:18,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:18,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,068 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 [2019-11-28 03:00:18,106 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 [2019-11-28 03:00:18,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:18,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:18,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:18,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:18,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,117 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 [2019-11-28 03:00:18,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:18,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:18,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:18,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:18,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:18,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,141 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:18,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:18,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:18,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:18,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:18,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:18,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,167 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) [2019-11-28 03:00:18,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:18,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:18,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:18,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:18,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:18,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:18,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:18,194 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:00:18,248 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 03:00:18,249 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. 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 [2019-11-28 03:00:18,309 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:00:18,330 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:00:18,330 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:00:18,331 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 + 255 Supporting invariants [] [2019-11-28 03:00:18,374 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-28 03:00:18,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:00:18,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:18,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:00:18,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:00:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:18,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:00:18,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:00:18,518 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 34 treesize of output 18 [2019-11-28 03:00:18,523 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:00:18,535 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:00:18,535 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:00:18,536 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:17 [2019-11-28 03:00:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:00:18,558 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 03:00:18,559 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand 5 states. [2019-11-28 03:00:18,622 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand 5 states. Result 18 states and 21 transitions. Complement of second has 9 states. [2019-11-28 03:00:18,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:00:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:00:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2019-11-28 03:00:18,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2019-11-28 03:00:18,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:18,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-28 03:00:18,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:18,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2019-11-28 03:00:18,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:18,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-28 03:00:18,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:18,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2019-11-28 03:00:18,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:00:18,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:00:18,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-28 03:00:18,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:00:18,631 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-28 03:00:18,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-28 03:00:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-28 03:00:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 03:00:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-28 03:00:18,634 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-28 03:00:18,634 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-28 03:00:18,634 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:00:18,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-28 03:00:18,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:18,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:00:18,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:00:18,636 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:00:18,636 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:00:18,636 INFO L794 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 155#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 156#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 166#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 157#L553 assume 0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2);havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(main_#t~post8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 158#L553-2 [2019-11-28 03:00:18,636 INFO L796 eck$LassoCheckResult]: Loop: 158#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 168#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 171#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 170#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 169#L553 assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 158#L553-2 [2019-11-28 03:00:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:18,637 INFO L82 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2019-11-28 03:00:18,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:18,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292113910] [2019-11-28 03:00:18,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:18,671 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:18,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:18,672 INFO L82 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 2 times [2019-11-28 03:00:18,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:18,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117680627] [2019-11-28 03:00:18,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:18,693 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:18,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:18,693 INFO L82 PathProgramCache]: Analyzing trace with hash 705693312, now seen corresponding path program 1 times [2019-11-28 03:00:18,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:18,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542208084] [2019-11-28 03:00:18,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:18,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:19,172 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-11-28 03:00:19,473 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-11-28 03:00:19,478 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:00:19,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:00:19,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:00:19,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:00:19,479 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:00:19,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:19,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:00:19,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:00:19,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration3_Lasso [2019-11-28 03:00:19,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:00:19,480 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:00:19,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,694 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-11-28 03:00:19,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:19,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:00:20,198 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:00:20,198 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:20,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:20,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:20,227 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 [2019-11-28 03:00:20,234 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) [2019-11-28 03:00:20,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:20,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:20,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:20,255 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 [2019-11-28 03:00:20,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:20,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:20,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:20,271 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:20,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:00:20,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:00:20,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:00:20,285 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 [2019-11-28 03:00:20,293 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 [2019-11-28 03:00:20,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:20,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:20,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:20,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:20,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:20,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:20,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:20,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:20,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:00:20,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:20,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:00:20,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:00:20,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:20,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:20,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:00:20,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:00:20,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:00:20,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:00:20,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:00:20,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:00:20,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:00:20,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:00:20,429 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:00:20,437 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-28 03:00:20,438 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. 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 [2019-11-28 03:00:20,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:00:20,444 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:00:20,444 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:00:20,444 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 + 255 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:00:20,483 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-28 03:00:20,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:00:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:20,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:00:20,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:00:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:20,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:00:20,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:00:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:00:20,561 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:00:20,561 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-28 03:00:20,600 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 27 states and 32 transitions. Complement of second has 9 states. [2019-11-28 03:00:20,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:00:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:00:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-11-28 03:00:20,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-28 03:00:20,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:20,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-28 03:00:20,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:20,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-28 03:00:20,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:00:20,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2019-11-28 03:00:20,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:20,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2019-11-28 03:00:20,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-28 03:00:20,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-28 03:00:20,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2019-11-28 03:00:20,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:00:20,608 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-28 03:00:20,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2019-11-28 03:00:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 03:00:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 03:00:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-11-28 03:00:20,611 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-28 03:00:20,611 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-28 03:00:20,611 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:00:20,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2019-11-28 03:00:20,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 03:00:20,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:00:20,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:00:20,613 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2019-11-28 03:00:20,613 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 03:00:20,614 INFO L794 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 301#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 302#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 319#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 303#L553 assume 0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2);havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(main_#t~post8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 304#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 318#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 322#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 321#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 320#L553 assume 0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2);havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(main_#t~post8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 315#L553-2 [2019-11-28 03:00:20,614 INFO L796 eck$LassoCheckResult]: Loop: 315#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 307#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 308#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 312#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 313#L553 assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 315#L553-2 [2019-11-28 03:00:20,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:20,614 INFO L82 PathProgramCache]: Analyzing trace with hash 705693310, now seen corresponding path program 1 times [2019-11-28 03:00:20,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:20,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286072391] [2019-11-28 03:00:20,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:00:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:00:20,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286072391] [2019-11-28 03:00:20,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:00:20,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 03:00:20,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082853012] [2019-11-28 03:00:20,760 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:00:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:00:20,760 INFO L82 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 3 times [2019-11-28 03:00:20,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:00:20,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763450376] [2019-11-28 03:00:20,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:00:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:00:20,795 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:00:20,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:00:20,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 03:00:20,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 03:00:20,927 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand 7 states. [2019-11-28 03:00:21,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:00:21,015 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2019-11-28 03:00:21,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 03:00:21,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2019-11-28 03:00:21,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:00:21,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-11-28 03:00:21,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:00:21,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:00:21,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:00:21,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:00:21,017 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:00:21,017 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:00:21,017 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:00:21,017 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:00:21,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:00:21,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:00:21,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:00:21,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:00:21 BoogieIcfgContainer [2019-11-28 03:00:21,024 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:00:21,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:00:21,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:00:21,025 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:00:21,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:15" (3/4) ... [2019-11-28 03:00:21,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:00:21,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:00:21,035 INFO L168 Benchmark]: Toolchain (without parser) took 6573.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 952.3 MB in the beginning and 1.3 GB in the end (delta: -343.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:21,035 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:21,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:21,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:21,037 INFO L168 Benchmark]: Boogie Preprocessor took 25.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:21,038 INFO L168 Benchmark]: RCFGBuilder took 392.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:00:21,038 INFO L168 Benchmark]: BuchiAutomizer took 5497.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -199.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:21,039 INFO L168 Benchmark]: Witness Printer took 8.67 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:00:21,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 392.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5497.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -199.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.67 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] + 255 and consists of 5 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] + 255 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 20 SDslu, 20 SDs, 0 SdLazy, 71 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital246 mio100 ax107 hnf100 lsp88 ukn58 mio100 lsp38 div163 bol100 ite100 ukn100 eq153 hnf68 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...