./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/java_Break-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 c390f2bb68198128822c2beb94f8e36148a0f7be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:40:06,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:40:06,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:40:06,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:40:06,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:40:06,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:40:06,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:40:06,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:40:06,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:40:06,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:40:06,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:40:06,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:40:06,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:40:06,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:40:06,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:40:06,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:40:06,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:40:06,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:40:06,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:40:06,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:40:06,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:40:06,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:40:06,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:40:06,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:40:06,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:40:06,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:40:06,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:40:06,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:40:06,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:40:06,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:40:06,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:40:06,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:40:06,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:40:06,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:40:06,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:40:06,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:40:06,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:40:06,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:40:06,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:40:06,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:40:06,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:40:06,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:40:06,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:40:06,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:40:06,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:40:06,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:40:06,186 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:40:06,187 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:40:06,187 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:40:06,187 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:40:06,187 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:40:06,187 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:40:06,188 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:40:06,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:40:06,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:40:06,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:40:06,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:40:06,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:40:06,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:40:06,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:40:06,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:40:06,190 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:40:06,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:40:06,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:40:06,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:40:06,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:40:06,191 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:40:06,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:40:06,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:40:06,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:40:06,192 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:40:06,193 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:40:06,193 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c390f2bb68198128822c2beb94f8e36148a0f7be [2020-10-20 06:40:06,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:40:06,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:40:06,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:40:06,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:40:06,425 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:40:06,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i [2020-10-20 06:40:06,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70854a121/b6e5af5dbf6345efb9cbe3fc296f1157/FLAGcf791c293 [2020-10-20 06:40:06,990 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:40:06,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Break-alloca.i [2020-10-20 06:40:07,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70854a121/b6e5af5dbf6345efb9cbe3fc296f1157/FLAGcf791c293 [2020-10-20 06:40:07,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70854a121/b6e5af5dbf6345efb9cbe3fc296f1157 [2020-10-20 06:40:07,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:40:07,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:40:07,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:40:07,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:40:07,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:40:07,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627e3c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07, skipping insertion in model container [2020-10-20 06:40:07,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:40:07,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:40:07,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:40:07,778 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:40:07,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:40:07,869 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:40:07,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07 WrapperNode [2020-10-20 06:40:07,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:40:07,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:40:07,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:40:07,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:40:07,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:40:07,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:40:07,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:40:07,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:40:07,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... [2020-10-20 06:40:07,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:40:07,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:40:07,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:40:07,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:40:07,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:40:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:40:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:40:08,232 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:40:08,233 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:40:08,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:08 BoogieIcfgContainer [2020-10-20 06:40:08,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:40:08,236 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:40:08,236 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:40:08,240 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:40:08,241 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:08,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:40:07" (1/3) ... [2020-10-20 06:40:08,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@460a37e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:40:08, skipping insertion in model container [2020-10-20 06:40:08,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:08,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:40:07" (2/3) ... [2020-10-20 06:40:08,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@460a37e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:40:08, skipping insertion in model container [2020-10-20 06:40:08,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:40:08,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:08" (3/3) ... [2020-10-20 06:40:08,246 INFO L373 chiAutomizerObserver]: Analyzing ICFG java_Break-alloca.i [2020-10-20 06:40:08,295 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:40:08,295 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:40:08,295 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:40:08,295 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:40:08,295 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:40:08,295 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:40:08,296 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:40:08,296 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:40:08,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:40:08,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:40:08,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:08,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:08,349 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:40:08,349 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:40:08,349 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:40:08,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-10-20 06:40:08,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:40:08,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:40:08,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:40:08,351 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:40:08,351 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:40:08,359 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4, main_#t~mem5, main_#t~post6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_~i~0.base, main_~i~0.offset, main_~c~0.base, main_~c~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(0, main_~i~0.base, main_~i~0.offset, 4);call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 8#L552-2true [2020-10-20 06:40:08,360 INFO L796 eck$LassoCheckResult]: Loop: 8#L552-2true assume !false;call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4); 4#L553true assume !(main_#t~mem4 > 10);havoc main_#t~mem4;call main_#t~mem5 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post6 := main_#t~mem5;call write~int(1 + main_#t~post6, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~post6;havoc main_#t~mem5;call main_#t~mem7 := read~int(main_~c~0.base, main_~c~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(1 + main_#t~post8, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 8#L552-2true [2020-10-20 06:40:08,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:08,374 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:40:08,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:08,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697275886] [2020-10-20 06:40:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:08,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:08,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:08,549 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:08,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:08,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2020-10-20 06:40:08,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:08,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121191075] [2020-10-20 06:40:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:08,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:08,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:08,577 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:08,580 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2020-10-20 06:40:08,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:40:08,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286866775] [2020-10-20 06:40:08,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:40:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:08,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:40:08,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:40:08,680 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:40:09,005 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2020-10-20 06:40:09,092 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:40:09,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:40:09,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:40:09,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:40:09,094 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:40:09,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:09,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:40:09,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:40:09,095 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break-alloca.i_Iteration1_Lasso [2020-10-20 06:40:09,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:40:09,095 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:40:09,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,346 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-10-20 06:40:09,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:40:09,896 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:40:09,902 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:09,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:09,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:09,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:09,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:09,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:09,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:09,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:09,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:09,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:09,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:09,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:09,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:09,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:09,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:09,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:09,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:09,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:09,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:09,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:10,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:10,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:10,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:10,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:10,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:10,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:10,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:40:10,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:10,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:10,082 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 [2020-10-20 06:40:10,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:40:10,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:40:10,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:40:10,120 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 [2020-10-20 06:40:10,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:10,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:10,153 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 [2020-10-20 06:40:10,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:10,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:10,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:10,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:10,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:10,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:10,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:40:10,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:40:10,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:40:10,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:40:10,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:40:10,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:40:10,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:40:10,304 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:40:10,420 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 06:40:10,420 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:40:10,477 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:40:10,493 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:40:10,493 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:40:10,494 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 + 21 Supporting invariants [] [2020-10-20 06:40:10,550 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 06:40:10,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:40:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:40:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:10,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:40:10,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:40:10,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:40:10,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:40:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:40:10,643 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 06:40:10,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2020-10-20 06:40:10,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2020-10-20 06:40:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:40:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 06:40:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2020-10-20 06:40:10,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 06:40:10,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:40:10,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 06:40:10,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:40:10,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:40:10,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:40:10,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2020-10-20 06:40:10,701 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:40:10,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-10-20 06:40:10,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:40:10,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:40:10,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:40:10,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:40:10,706 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:40:10,707 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:40:10,707 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:40:10,707 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:40:10,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:40:10,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:40:10,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:40:10,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:40:10 BoogieIcfgContainer [2020-10-20 06:40:10,714 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:40:10,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:40:10,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:40:10,714 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:40:10,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:40:08" (3/4) ... [2020-10-20 06:40:10,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:40:10,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:40:10,720 INFO L168 Benchmark]: Toolchain (without parser) took 3378.46 ms. Allocated memory was 36.7 MB in the beginning and 60.8 MB in the end (delta: 24.1 MB). Free memory was 9.4 MB in the beginning and 17.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,721 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 36.7 MB. Free memory was 15.4 MB in the beginning and 15.3 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.95 ms. Allocated memory was 36.7 MB in the beginning and 46.1 MB in the end (delta: 9.4 MB). Free memory was 8.5 MB in the beginning and 19.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.40 ms. Allocated memory is still 46.1 MB. Free memory was 19.0 MB in the beginning and 17.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,724 INFO L168 Benchmark]: Boogie Preprocessor took 25.08 ms. Allocated memory is still 46.1 MB. Free memory was 17.0 MB in the beginning and 15.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,725 INFO L168 Benchmark]: RCFGBuilder took 290.67 ms. Allocated memory is still 47.2 MB. Free memory was 30.3 MB in the beginning and 16.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,726 INFO L168 Benchmark]: BuchiAutomizer took 2478.00 ms. Allocated memory was 47.2 MB in the beginning and 60.8 MB in the end (delta: 13.6 MB). Free memory was 16.6 MB in the beginning and 17.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,727 INFO L168 Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 60.8 MB. Free memory was 17.7 MB in the beginning and 17.1 MB in the end (delta: 601.7 kB). Peak memory consumption was 601.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:40:10,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 36.7 MB. Free memory was 15.4 MB in the beginning and 15.3 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 521.95 ms. Allocated memory was 36.7 MB in the beginning and 46.1 MB in the end (delta: 9.4 MB). Free memory was 8.5 MB in the beginning and 19.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 43.40 ms. Allocated memory is still 46.1 MB. Free memory was 19.0 MB in the beginning and 17.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 25.08 ms. Allocated memory is still 46.1 MB. Free memory was 17.0 MB in the beginning and 15.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 290.67 ms. Allocated memory is still 47.2 MB. Free memory was 30.3 MB in the beginning and 16.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2478.00 ms. Allocated memory was 47.2 MB in the beginning and 60.8 MB in the end (delta: 13.6 MB). Free memory was 16.6 MB in the beginning and 17.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * Witness Printer took 4.43 ms. Allocated memory is still 60.8 MB. Free memory was 17.7 MB in the beginning and 17.1 MB in the end (delta: 601.7 kB). Peak memory consumption was 601.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[i][i] + 21 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax108 hnf99 lsp89 ukn57 mio100 lsp41 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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...