./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.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/stroeder1-alloca-2.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 206fc0df1055f51a334aa0371a01a5320b241a2f ........................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:22:39,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:22:39,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:22:39,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:22:39,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:22:39,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:22:39,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:22:39,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:22:39,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:22:39,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:22:39,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:22:39,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:22:39,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:22:39,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:22:39,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:22:39,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:22:39,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:22:39,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:22:39,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:22:39,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:22:39,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:22:39,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:22:39,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:22:39,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:22:39,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:22:39,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:22:39,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:22:39,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:22:39,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:22:39,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:22:39,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:22:39,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:22:39,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:22:39,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:22:39,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:22:39,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:22:39,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:22:39,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:22:39,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:22:39,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:22:39,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:22:39,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:22:39,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:22:39,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:22:39,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:22:39,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:22:39,930 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:22:39,930 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:22:39,931 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:22:39,931 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:22:39,931 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:22:39,931 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:22:39,932 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:22:39,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:22:39,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:22:39,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:22:39,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:22:39,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:22:39,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:22:39,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:22:39,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:22:39,934 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:22:39,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:22:39,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:22:39,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:22:39,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:22:39,936 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:22:39,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:22:39,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:22:39,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:22:39,937 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:22:39,938 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:22:39,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206fc0df1055f51a334aa0371a01a5320b241a2f [2020-10-26 04:22:40,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:22:40,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:22:40,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:22:40,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:22:40,425 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:22:40,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2020-10-26 04:22:40,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/684f19c2f/8278dcfc8c9344e4b6fc28b9e1cf3507/FLAG0b5a519a3 [2020-10-26 04:22:41,133 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:22:41,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2020-10-26 04:22:41,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/684f19c2f/8278dcfc8c9344e4b6fc28b9e1cf3507/FLAG0b5a519a3 [2020-10-26 04:22:41,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/684f19c2f/8278dcfc8c9344e4b6fc28b9e1cf3507 [2020-10-26 04:22:41,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:22:41,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:22:41,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:22:41,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:22:41,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:22:41,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:22:41" (1/1) ... [2020-10-26 04:22:41,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3bb57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:41, skipping insertion in model container [2020-10-26 04:22:41,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:22:41" (1/1) ... [2020-10-26 04:22:41,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:22:41,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:22:41,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:22:41,972 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:22:42,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:22:42,113 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:22:42,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42 WrapperNode [2020-10-26 04:22:42,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:22:42,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:22:42,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:22:42,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:22:42,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:22:42,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:22:42,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:22:42,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:22:42,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (1/1) ... [2020-10-26 04:22:42,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:22:42,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:22:42,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:22:42,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:22:42,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (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 04:22:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:22:42,633 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:22:42,634 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-26 04:22:42,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:22:42 BoogieIcfgContainer [2020-10-26 04:22:42,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:22:42,637 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:22:42,637 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:22:42,642 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:22:42,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:22:42,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:22:41" (1/3) ... [2020-10-26 04:22:42,644 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@daf27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:22:42, skipping insertion in model container [2020-10-26 04:22:42,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:22:42,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:22:42" (2/3) ... [2020-10-26 04:22:42,645 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@daf27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:22:42, skipping insertion in model container [2020-10-26 04:22:42,645 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:22:42,645 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:22:42" (3/3) ... [2020-10-26 04:22:42,647 INFO L373 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-2.i [2020-10-26 04:22:42,708 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:22:42,708 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:22:42,708 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:22:42,709 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:22:42,709 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:22:42,709 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:22:42,709 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:22:42,709 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:22:42,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:22:42,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:22:42,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:22:42,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:22:42,757 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:22:42,758 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:22:42,758 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:22:42,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-26 04:22:42,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:22:42,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:22:42,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:22:42,760 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:22:42,760 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:22:42,769 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~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L561true assume !(main_~array_size~0 < 1); 13#L561-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 11#L552-3true [2020-10-26 04:22:42,769 INFO L796 eck$LassoCheckResult]: Loop: 11#L552-3true assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 9#L552-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 11#L552-3true [2020-10-26 04:22:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:22:42,777 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-26 04:22:42,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:22:42,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705767148] [2020-10-26 04:22:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:22:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:22:42,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:22:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:22:42,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:22:42,948 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:22:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:22:42,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-10-26 04:22:42,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:22:42,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839429] [2020-10-26 04:22:42,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:22:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:22:42,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:22:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:22:42,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:22:42,982 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:22:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:22:42,985 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-10-26 04:22:42,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:22:42,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461491943] [2020-10-26 04:22:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:22:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:22:43,037 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:22:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:22:43,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:22:43,094 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:22:43,594 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-10-26 04:22:43,689 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:22:43,690 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:22:43,690 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:22:43,690 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:22:43,690 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:22:43,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:22:43,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:22:43,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:22:43,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-2.i_Iteration1_Lasso [2020-10-26 04:22:43,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:22:43,692 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:22:43,720 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 04:22:43,731 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 04:22:43,734 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 04:22:43,738 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 04:22:43,743 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 04:22:43,884 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 04:22:43,888 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 04:22:43,892 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 04:22:43,896 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 04:22:43,899 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 04:22:43,903 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 04:22:43,907 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 04:22:44,277 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:22:44,283 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 04:22:44,298 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 04:22:44,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:22:44,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:22:44,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:22:44,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:22:44,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:22:44,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:22:44,308 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 04:22:44,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:22:44,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:22:44,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:22:44,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:22:44,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:22:44,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:22:44,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:22:44,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:22:44,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:22:44,372 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) [2020-10-26 04:22:44,419 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 04:22:44,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:22:44,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:22:44,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:22:44,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:22:44,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:22:44,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:22:44,426 INFO L402 nArgumentSynthesizer]: A total of 0 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 04:22:44,431 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 04:22:44,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:22:44,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:22:44,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:22:44,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:22:44,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:22:44,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:22:44,494 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 04:22:44,502 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 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 04:22:44,535 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 04:22:44,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:22:44,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:22:44,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:22:44,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:22:44,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:22:44,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:22:44,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:22:44,637 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-26 04:22:44,637 INFO L444 ModelExtractionUtils]: 16 out of 37 variables were initially zero. Simplification set additionally 18 variables to zero. 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 04:22:44,678 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:22:44,683 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:22:44,684 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:22:44,684 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2020-10-26 04:22:44,727 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-10-26 04:22:44,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:22:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:22:44,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:22:44,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:22:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:22:44,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:22:44,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:22:44,816 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 04:22:44,836 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 [2020-10-26 04:22:44,837 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2020-10-26 04:22:44,971 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 28 transitions. Complement of second has 7 states. [2020-10-26 04:22:44,974 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 [2020-10-26 04:22:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:22:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-26 04:22:44,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-26 04:22:44,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:22:44,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-26 04:22:44,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:22:44,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-26 04:22:44,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:22:44,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2020-10-26 04:22:44,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:22:44,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2020-10-26 04:22:44,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:22:44,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:22:44,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:22:44,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:22:44,991 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:22:44,992 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:22:44,992 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:22:44,992 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:22:44,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:22:44,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:22:44,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:22:45,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:22:44 BoogieIcfgContainer [2020-10-26 04:22:45,001 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:22:45,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:22:45,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:22:45,013 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:22:45,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:22:42" (3/4) ... [2020-10-26 04:22:45,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:22:45,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:22:45,020 INFO L168 Benchmark]: Toolchain (without parser) took 3560.18 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 30.4 MB in the beginning and 57.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 60.5 kB. Max. memory is 16.1 GB. [2020-10-26 04:22:45,021 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 41.9 MB. Free memory was 21.4 MB in the beginning and 21.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:22:45,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.31 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 36.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:22:45,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.10 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 34.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:22:45,024 INFO L168 Benchmark]: Boogie Preprocessor took 28.02 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 33.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:22:45,024 INFO L168 Benchmark]: RCFGBuilder took 442.68 ms. Allocated memory is still 54.5 MB. Free memory was 33.0 MB in the beginning and 34.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:22:45,025 INFO L168 Benchmark]: BuchiAutomizer took 2364.46 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 34.4 MB in the beginning and 58.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 1.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:22:45,026 INFO L168 Benchmark]: Witness Printer took 6.95 ms. Allocated memory is still 81.8 MB. Free memory was 58.5 MB in the beginning and 57.9 MB in the end (delta: 618.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:22:45,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 41.9 MB. Free memory was 21.4 MB in the beginning and 21.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 644.31 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 36.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.10 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 34.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.02 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 33.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 442.68 ms. Allocated memory is still 54.5 MB. Free memory was 33.0 MB in the beginning and 34.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2364.46 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 34.4 MB in the beginning and 58.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 1.9 MB. Max. memory is 16.1 GB. * Witness Printer took 6.95 ms. Allocated memory is still 81.8 MB. Free memory was 58.5 MB in the beginning and 57.9 MB in the end (delta: 618.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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 array_size + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: 9 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital119 mio100 ax115 hnf99 lsp82 ukn80 mio100 lsp61 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms 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...