./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/Toulouse-BranchesToLoop-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 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:19:12,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:19:12,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:19:12,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:19:12,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:19:12,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:19:12,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:19:12,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:19:12,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:19:12,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:19:12,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:19:12,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:19:12,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:19:12,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:19:12,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:19:12,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:19:12,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:19:12,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:19:12,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:19:12,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:19:12,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:19:12,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:19:12,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:19:12,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:19:12,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:19:12,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:19:12,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:19:12,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:19:12,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:19:12,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:19:12,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:19:12,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:19:12,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:19:12,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:19:12,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:19:12,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:19:12,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:19:12,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:19:12,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:19:12,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:19:12,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:19:12,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:19:12,249 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:19:12,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:19:12,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:19:12,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:19:12,252 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:19:12,252 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:19:12,252 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:19:12,253 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:19:12,253 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:19:12,253 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:19:12,253 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:19:12,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:19:12,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:19:12,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:19:12,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:19:12,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:19:12,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:19:12,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:19:12,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:19:12,256 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:19:12,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:19:12,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:19:12,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:19:12,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:19:12,257 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:19:12,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:19:12,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:19:12,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:19:12,258 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:19:12,260 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:19:12,260 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 [2020-10-26 04:19:12,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:19:12,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:19:12,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:19:12,838 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:19:12,839 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:19:12,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2020-10-26 04:19:12,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c461520e/ea9b4354d0b245cbbf3c947c4776f88a/FLAGbaec041eb [2020-10-26 04:19:13,624 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:19:13,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2020-10-26 04:19:13,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c461520e/ea9b4354d0b245cbbf3c947c4776f88a/FLAGbaec041eb [2020-10-26 04:19:13,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c461520e/ea9b4354d0b245cbbf3c947c4776f88a [2020-10-26 04:19:13,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:19:13,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:19:13,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:19:13,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:19:13,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:19:13,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:19:13" (1/1) ... [2020-10-26 04:19:13,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4ef2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:13, skipping insertion in model container [2020-10-26 04:19:13,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:19:13" (1/1) ... [2020-10-26 04:19:14,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:19:14,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:19:14,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:19:14,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:19:14,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:19:14,474 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:19:14,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14 WrapperNode [2020-10-26 04:19:14,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:19:14,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:19:14,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:19:14,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:19:14,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:19:14,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:19:14,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:19:14,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:19:14,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... [2020-10-26 04:19:14,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:19:14,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:19:14,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:19:14,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:19:14,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:19:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:19:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:19:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:19:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:19:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:19:15,242 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:19:15,244 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:19:15,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:19:15 BoogieIcfgContainer [2020-10-26 04:19:15,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:19:15,250 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:19:15,250 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:19:15,255 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:19:15,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:19:15,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:19:13" (1/3) ... [2020-10-26 04:19:15,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5640fe88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:19:15, skipping insertion in model container [2020-10-26 04:19:15,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:19:15,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:19:14" (2/3) ... [2020-10-26 04:19:15,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5640fe88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:19:15, skipping insertion in model container [2020-10-26 04:19:15,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:19:15,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:19:15" (3/3) ... [2020-10-26 04:19:15,261 INFO L373 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-alloca.i [2020-10-26 04:19:15,335 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:19:15,335 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:19:15,335 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:19:15,336 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:19:15,336 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:19:15,337 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:19:15,337 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:19:15,337 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:19:15,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-26 04:19:15,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:19:15,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:19:15,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:19:15,385 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:19:15,386 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:19:15,386 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:19:15,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-26 04:19:15,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:19:15,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:19:15,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:19:15,391 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:19:15,391 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:19:15,399 INFO L794 eck$LassoCheckResult]: Stem: 7#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~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~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_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 4#L553true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 12#L558-4true [2020-10-26 04:19:15,401 INFO L796 eck$LassoCheckResult]: Loop: 12#L558-4true call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 6#L558true assume !main_#t~short10; 9#L558-2true assume !!main_#t~short10;havoc main_#t~mem9;havoc main_#t~mem8;havoc main_#t~short10;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 12#L558-4true [2020-10-26 04:19:15,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:15,409 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-26 04:19:15,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:15,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866963906] [2020-10-26 04:19:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:15,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:15,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:15,684 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:15,687 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2020-10-26 04:19:15,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:15,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690289341] [2020-10-26 04:19:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:19:15,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690289341] [2020-10-26 04:19:15,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:19:15,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:19:15,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859782381] [2020-10-26 04:19:15,770 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 04:19:15,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:19:15,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:19:15,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:19:15,793 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-10-26 04:19:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:19:15,831 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-26 04:19:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:19:15,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-10-26 04:19:15,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:19:15,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 6 states and 7 transitions. [2020-10-26 04:19:15,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-26 04:19:15,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-10-26 04:19:15,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-10-26 04:19:15,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:19:15,845 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-26 04:19:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-10-26 04:19:15,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-26 04:19:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:19:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-10-26 04:19:15,879 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-26 04:19:15,879 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-10-26 04:19:15,879 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:19:15,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-10-26 04:19:15,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:19:15,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:19:15,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:19:15,881 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:19:15,881 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:19:15,882 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 30#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 31#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 32#L558-4 [2020-10-26 04:19:15,882 INFO L796 eck$LassoCheckResult]: Loop: 32#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 33#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 34#L558-2 assume !!main_#t~short10;havoc main_#t~mem9;havoc main_#t~mem8;havoc main_#t~short10;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 32#L558-4 [2020-10-26 04:19:15,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:15,883 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-10-26 04:19:15,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:15,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878643551] [2020-10-26 04:19:15,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:15,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:15,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:16,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:16,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:16,009 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2020-10-26 04:19:16,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:16,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729418624] [2020-10-26 04:19:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:16,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:16,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:16,146 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:16,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:16,149 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2020-10-26 04:19:16,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:16,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678199885] [2020-10-26 04:19:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:16,237 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:16,292 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:16,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:16,499 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-10-26 04:19:17,068 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2020-10-26 04:19:17,286 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 04:19:17,301 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:19:17,302 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:19:17,302 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:19:17,302 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:19:17,303 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:19:17,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:17,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:19:17,303 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:19:17,303 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration2_Lasso [2020-10-26 04:19:17,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:19:17,304 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:19:17,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:17,980 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-26 04:19:18,169 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-26 04:19:18,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:18,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:18,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:18,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:18,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:18,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:18,977 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:19:18,984 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) [2020-10-26 04:19:19,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,012 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) [2020-10-26 04:19:19,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:19,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:19:19,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:19,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:19:19,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:19,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:19,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:19,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:19,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:19,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:19,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:19,345 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) [2020-10-26 04:19:19,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:19,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:19,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:19,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:19,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:19,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:19,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:19,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:19,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:19,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:19,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:19,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:19,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:19,548 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:19:19,659 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-26 04:19:19,659 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. 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) [2020-10-26 04:19:19,714 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:19,751 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:19:19,751 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:19:19,752 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1 + 199 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 1 >= 0] [2020-10-26 04:19:19,970 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2020-10-26 04:19:19,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:19:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:20,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 04:19:20,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:19:20,156 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-10-26 04:19:20,168 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-26 04:19:20,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-26 04:19:20,178 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-26 04:19:20,178 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:13 [2020-10-26 04:19:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:20,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-26 04:19:20,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:19:20,235 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:19:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:19:20,303 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:19:20,307 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 5 states. [2020-10-26 04:19:20,399 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 5 states. Result 12 states and 14 transitions. Complement of second has 7 states. [2020-10-26 04:19:20,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:19:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:19:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-10-26 04:19:20,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. [2020-10-26 04:19:20,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:20,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2020-10-26 04:19:20,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:20,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-26 04:19:20,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:20,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-10-26 04:19:20,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:19:20,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2020-10-26 04:19:20,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-26 04:19:20,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-10-26 04:19:20,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-10-26 04:19:20,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:19:20,408 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-26 04:19:20,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-10-26 04:19:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-26 04:19:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 04:19:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-10-26 04:19:20,410 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-26 04:19:20,410 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-26 04:19:20,410 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:19:20,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-10-26 04:19:20,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:19:20,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:19:20,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:19:20,411 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:19:20,411 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:19:20,412 INFO L794 eck$LassoCheckResult]: Stem: 262#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 257#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 258#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 259#L558-4 [2020-10-26 04:19:20,412 INFO L796 eck$LassoCheckResult]: Loop: 259#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 260#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 261#L558-2 assume !!main_#t~short10;havoc main_#t~mem9;havoc main_#t~mem8;havoc main_#t~short10;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 259#L558-4 [2020-10-26 04:19:20,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:20,413 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-10-26 04:19:20,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:20,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745263521] [2020-10-26 04:19:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:20,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:20,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:20,446 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:20,447 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 2 times [2020-10-26 04:19:20,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:20,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611015889] [2020-10-26 04:19:20,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:20,482 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:20,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:20,520 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:20,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:20,524 INFO L82 PathProgramCache]: Analyzing trace with hash 889511698, now seen corresponding path program 1 times [2020-10-26 04:19:20,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:19:20,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310077211] [2020-10-26 04:19:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:19:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:20,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:19:20,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:19:20,600 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:19:20,748 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-10-26 04:19:21,302 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2020-10-26 04:19:21,559 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-26 04:19:21,566 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:19:21,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:19:21,566 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:19:21,566 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:19:21,566 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:19:21,566 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:21,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:19:21,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:19:21,567 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration3_Lasso [2020-10-26 04:19:21,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:19:21,567 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:19:21,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:21,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:22,131 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-26 04:19:22,309 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-26 04:19:22,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:22,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:22,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:22,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:22,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:22,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:19:23,106 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:19:23,107 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:19:23,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:23,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:23,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:23,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:23,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:23,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:23,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:23,280 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) [2020-10-26 04:19:23,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:23,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:23,319 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) [2020-10-26 04:19:23,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:23,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:19:23,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:19:23,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:19:23,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:23,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:23,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:19:23,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:19:23,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:19:23,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:19:23,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:19:23,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:19:23,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:19:23,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:19:23,497 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-26 04:19:23,498 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:19:23,500 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:19:23,502 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:19:23,503 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:19:23,503 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 + 199 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 - 1 >= 0] [2020-10-26 04:19:23,733 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2020-10-26 04:19:23,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:19:23,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:19:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:23,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 04:19:23,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:19:23,820 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-10-26 04:19:23,822 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-26 04:19:23,830 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-26 04:19:23,830 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-26 04:19:23,831 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:13 [2020-10-26 04:19:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:19:23,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-26 04:19:23,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:19:23,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:19:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:19:23,959 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-26 04:19:23,959 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2020-10-26 04:19:24,036 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2020-10-26 04:19:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:19:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:19:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-10-26 04:19:24,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2020-10-26 04:19:24,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:24,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2020-10-26 04:19:24,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:24,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-26 04:19:24,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:19:24,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2020-10-26 04:19:24,040 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:19:24,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-26 04:19:24,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:19:24,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:19:24,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:19:24,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:19:24,041 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:19:24,041 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:19:24,041 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:19:24,041 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:19:24,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:19:24,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:19:24,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:19:24,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:19:24 BoogieIcfgContainer [2020-10-26 04:19:24,050 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:19:24,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:19:24,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:19:24,051 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:19:24,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:19:15" (3/4) ... [2020-10-26 04:19:24,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:19:24,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:19:24,056 INFO L168 Benchmark]: Toolchain (without parser) took 10100.06 ms. Allocated memory was 44.0 MB in the beginning and 119.5 MB in the end (delta: 75.5 MB). Free memory was 29.2 MB in the beginning and 51.9 MB in the end (delta: -22.6 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:24,057 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 35.7 MB. Free memory is still 18.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:19:24,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.54 ms. Allocated memory is still 44.0 MB. Free memory was 28.7 MB in the beginning and 18.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:24,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 44.0 MB. Free memory was 18.6 MB in the beginning and 27.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:24,059 INFO L168 Benchmark]: Boogie Preprocessor took 36.82 ms. Allocated memory is still 44.0 MB. Free memory was 27.3 MB in the beginning and 26.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:24,059 INFO L168 Benchmark]: RCFGBuilder took 655.08 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 26.1 MB in the beginning and 31.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:24,060 INFO L168 Benchmark]: BuchiAutomizer took 8800.38 ms. Allocated memory was 54.5 MB in the beginning and 119.5 MB in the end (delta: 65.0 MB). Free memory was 31.6 MB in the beginning and 52.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:19:24,061 INFO L168 Benchmark]: Witness Printer took 4.62 ms. Allocated memory is still 119.5 MB. Free memory was 52.9 MB in the beginning and 51.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:19:24,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 35.7 MB. Free memory is still 18.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.54 ms. Allocated memory is still 44.0 MB. Free memory was 28.7 MB in the beginning and 18.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 44.0 MB. Free memory was 18.6 MB in the beginning and 27.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.82 ms. Allocated memory is still 44.0 MB. Free memory was 27.3 MB in the beginning and 26.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 655.08 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 26.1 MB in the beginning and 31.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8800.38 ms. Allocated memory was 54.5 MB in the beginning and 119.5 MB in the end (delta: 65.0 MB). Free memory was 31.6 MB in the beginning and 52.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.62 ms. Allocated memory is still 119.5 MB. Free memory was 52.9 MB in the beginning and 51.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z][z] + 199 and consists of 5 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y][y] + 199 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 13 SDslu, 8 SDs, 0 SdLazy, 24 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital348 mio100 ax105 hnf100 lsp90 ukn56 mio100 lsp36 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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...