./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash fa1df4216228ace3c3c1088507575f9600e9db06 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:26:21,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:26:21,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:26:21,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:26:21,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:26:21,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:26:21,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:26:21,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:26:21,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:26:21,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:26:21,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:26:21,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:26:21,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:26:21,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:26:21,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:26:21,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:26:21,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:26:21,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:26:21,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:26:21,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:26:21,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:26:21,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:26:21,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:26:21,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:26:21,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:26:21,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:26:21,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:26:21,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:26:21,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:26:21,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:26:21,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:26:21,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:26:21,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:26:21,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:26:21,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:26:21,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:26:21,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:26:21,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:26:21,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:26:21,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:26:21,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:26:21,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:26:21,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:26:21,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:26:21,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:26:21,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:26:21,759 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:26:21,759 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:26:21,759 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:26:21,759 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:26:21,760 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:26:21,760 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:26:21,760 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:26:21,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:26:21,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:26:21,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:26:21,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:26:21,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:26:21,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:26:21,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:26:21,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:26:21,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:26:21,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:26:21,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:26:21,763 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:26:21,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:26:21,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:26:21,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:26:21,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:26:21,764 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:26:21,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:26:21,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:26:21,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:26:21,764 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:26:21,765 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:26:21,766 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1df4216228ace3c3c1088507575f9600e9db06 [2020-10-19 20:26:22,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:26:22,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:26:22,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:26:22,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:26:22,140 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:26:22,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2020-10-19 20:26:22,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d673fcad8/7040447a731d4485a248a7bfe1c4e8bc/FLAG244f75ad4 [2020-10-19 20:26:22,793 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:26:22,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2020-10-19 20:26:22,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d673fcad8/7040447a731d4485a248a7bfe1c4e8bc/FLAG244f75ad4 [2020-10-19 20:26:23,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d673fcad8/7040447a731d4485a248a7bfe1c4e8bc [2020-10-19 20:26:23,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:26:23,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:26:23,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:26:23,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:26:23,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:26:23,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c91dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23, skipping insertion in model container [2020-10-19 20:26:23,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:26:23,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:26:23,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:26:23,499 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:26:23,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:26:23,680 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:26:23,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23 WrapperNode [2020-10-19 20:26:23,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:26:23,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:26:23,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:26:23,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:26:23,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:26:23,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:26:23,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:26:23,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:26:23,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (1/1) ... [2020-10-19 20:26:23,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:26:23,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:26:23,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:26:23,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:26:23,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (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 [2020-10-19 20:26:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 20:26:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 20:26:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:26:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 20:26:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:26:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:26:24,103 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:26:24,104 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 20:26:24,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:26:24 BoogieIcfgContainer [2020-10-19 20:26:24,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:26:24,106 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:26:24,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:26:24,110 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:26:24,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:26:24,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:26:23" (1/3) ... [2020-10-19 20:26:24,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27aa8a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:26:24, skipping insertion in model container [2020-10-19 20:26:24,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:26:24,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:26:23" (2/3) ... [2020-10-19 20:26:24,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27aa8a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:26:24, skipping insertion in model container [2020-10-19 20:26:24,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:26:24,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:26:24" (3/3) ... [2020-10-19 20:26:24,116 INFO L373 chiAutomizerObserver]: Analyzing ICFG stroeder2-alloca-1.i [2020-10-19 20:26:24,163 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:26:24,163 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:26:24,163 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:26:24,164 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:26:24,165 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:26:24,166 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:26:24,166 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:26:24,166 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:26:24,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 20:26:24,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 20:26:24,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:24,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:24,208 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 20:26:24,209 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:26:24,209 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:26:24,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 20:26:24,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 20:26:24,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:24,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:24,211 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 20:26:24,211 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:26:24,218 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 14#L529true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 18#L529-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 10#L534-3true [2020-10-19 20:26:24,218 INFO L796 eck$LassoCheckResult]: Loop: 10#L534-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 8#L534-2true main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 10#L534-3true [2020-10-19 20:26:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-19 20:26:24,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:24,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760091061] [2020-10-19 20:26:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:24,330 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:24,342 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:24,365 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:24,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:24,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-10-19 20:26:24,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:24,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538883307] [2020-10-19 20:26:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:24,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:24,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:24,390 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:24,392 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-10-19 20:26:24,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:24,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110869018] [2020-10-19 20:26:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:24,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:24,432 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:24,438 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:24,631 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-19 20:26:24,697 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:26:24,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:26:24,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:26:24,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:26:24,698 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:26:24,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:24,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:26:24,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:26:24,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration1_Lasso [2020-10-19 20:26:24,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:26:24,699 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:26:24,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:24,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:25,158 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:26:25,164 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) [2020-10-19 20:26:25,170 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 [2020-10-19 20:26:25,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:25,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:25,179 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 [2020-10-19 20:26:25,182 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 [2020-10-19 20:26:25,208 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 [2020-10-19 20:26:25,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:25,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:25,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:25,215 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 [2020-10-19 20:26:25,247 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 [2020-10-19 20:26:25,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:25,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 20:26:25,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:26:25,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:25,317 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 [2020-10-19 20:26:25,361 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 [2020-10-19 20:26:25,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:25,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:25,447 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 [2020-10-19 20:26:25,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,461 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 [2020-10-19 20:26:25,495 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 [2020-10-19 20:26:25,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:25,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:25,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:25,500 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 [2020-10-19 20:26:25,532 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 [2020-10-19 20:26:25,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:25,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:25,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:25,551 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 [2020-10-19 20:26:25,578 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 [2020-10-19 20:26:25,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:25,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:25,648 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 [2020-10-19 20:26:25,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:25,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:25,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,690 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 [2020-10-19 20:26:25,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:25,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:25,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:25,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,721 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 [2020-10-19 20:26:25,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:25,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,759 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 [2020-10-19 20:26:25,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:25,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:25,836 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 [2020-10-19 20:26:25,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:25,914 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 [2020-10-19 20:26:25,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:25,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:25,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:25,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:25,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:25,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:25,951 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:26:26,005 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 20:26:26,005 INFO L444 ModelExtractionUtils]: 1 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:26,012 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:26,015 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 20:26:26,016 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:26:26,017 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2020-10-19 20:26:26,070 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-10-19 20:26:26,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 20:26:26,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:26,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:26:26,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:26,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:26:26,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:26,194 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 [2020-10-19 20:26:26,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2020-10-19 20:26:26,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 38 states and 53 transitions. Complement of second has 7 states. [2020-10-19 20:26:26,275 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 [2020-10-19 20:26:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:26:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-19 20:26:26,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 20:26:26,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:26,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-19 20:26:26,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:26,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-19 20:26:26,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:26,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2020-10-19 20:26:26,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:26:26,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2020-10-19 20:26:26,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:26:26,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 20:26:26,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-10-19 20:26:26,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:26:26,295 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-19 20:26:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-10-19 20:26:26,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-19 20:26:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-19 20:26:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2020-10-19 20:26:26,326 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-19 20:26:26,326 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-19 20:26:26,326 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:26:26,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2020-10-19 20:26:26,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:26:26,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:26,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:26,328 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 20:26:26,329 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 20:26:26,329 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 122#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 123#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 131#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 127#L534-3 assume !(main_~i~1 < main_~array_size~0); 128#L534-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 125#L517-3 [2020-10-19 20:26:26,330 INFO L796 eck$LassoCheckResult]: Loop: 125#L517-3 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; 129#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 130#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 124#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 125#L517-3 [2020-10-19 20:26:26,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:26,330 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-10-19 20:26:26,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:26,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781325238] [2020-10-19 20:26:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:26,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781325238] [2020-10-19 20:26:26,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:26:26,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 20:26:26,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953083887] [2020-10-19 20:26:26,415 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:26:26,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:26,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2020-10-19 20:26:26,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:26,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283058606] [2020-10-19 20:26:26,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,431 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,434 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:26,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:26:26,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 20:26:26,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 20:26:26,492 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-10-19 20:26:26,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:26:26,523 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2020-10-19 20:26:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 20:26:26,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2020-10-19 20:26:26,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:26:26,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2020-10-19 20:26:26,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-19 20:26:26,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 20:26:26,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-10-19 20:26:26,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:26:26,528 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-19 20:26:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-10-19 20:26:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-10-19 20:26:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-19 20:26:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-10-19 20:26:26,531 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-19 20:26:26,532 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-19 20:26:26,532 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:26:26,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-10-19 20:26:26,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 20:26:26,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:26,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:26,534 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:26:26,534 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 20:26:26,535 INFO L794 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 152#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 153#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 163#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 157#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 154#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 155#L534-3 assume !(main_~i~1 < main_~array_size~0); 158#L534-4 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~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, 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; 160#L517-3 [2020-10-19 20:26:26,535 INFO L796 eck$LassoCheckResult]: Loop: 160#L517-3 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; 161#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 162#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 159#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 160#L517-3 [2020-10-19 20:26:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:26,536 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-10-19 20:26:26,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:26,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137787509] [2020-10-19 20:26:26,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,551 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,563 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,568 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2020-10-19 20:26:26,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:26,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748907543] [2020-10-19 20:26:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,581 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,583 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:26,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:26,584 INFO L82 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2020-10-19 20:26:26,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:26,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136787589] [2020-10-19 20:26:26,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:26,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:26,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:26,902 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-10-19 20:26:26,981 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:26:26,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:26:26,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:26:26,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:26:26,981 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:26:26,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:26,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:26:26,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:26:26,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration3_Lasso [2020-10-19 20:26:26,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:26:26,982 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:26:26,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:26,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:27,438 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:26:27,438 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:27,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:27,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:27,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:27,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:27,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:27,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:27,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:27,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:27,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:27,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:26:27,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:27,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:27,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:27,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:27,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:27,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:27,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:27,539 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 [2020-10-19 20:26:27,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:27,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:27,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:27,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:27,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:27,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:27,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:27,627 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 [2020-10-19 20:26:27,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:27,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:27,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:27,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:27,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:27,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:27,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:27,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:27,685 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 [2020-10-19 20:26:27,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:27,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:27,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:27,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:27,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:27,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:27,726 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:26:27,746 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-19 20:26:27,747 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:27,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:27,754 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 20:26:27,754 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:26:27,754 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 [] [2020-10-19 20:26:27,803 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-10-19 20:26:27,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:27,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:26:27,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:27,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:26:27,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:27,863 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 [2020-10-19 20:26:27,864 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-10-19 20:26:27,874 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 4 states. [2020-10-19 20:26:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 20:26:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:26:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-10-19 20:26:27,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2020-10-19 20:26:27,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:27,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2020-10-19 20:26:27,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:27,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2020-10-19 20:26:27,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:27,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2020-10-19 20:26:27,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:26:27,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 21 transitions. [2020-10-19 20:26:27,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:26:27,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-19 20:26:27,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2020-10-19 20:26:27,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:26:27,879 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-19 20:26:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2020-10-19 20:26:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-10-19 20:26:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-19 20:26:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-10-19 20:26:27,882 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-10-19 20:26:27,882 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-10-19 20:26:27,883 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:26:27,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2020-10-19 20:26:27,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:26:27,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:27,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:27,884 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:26:27,885 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:26:27,885 INFO L794 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 241#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 242#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 255#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 248#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 243#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 244#L534-3 assume !(main_~i~1 < main_~array_size~0); 249#L534-4 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~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, 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; 250#L517-3 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; 252#L520-3 [2020-10-19 20:26:27,885 INFO L796 eck$LassoCheckResult]: Loop: 252#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 253#L520-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~post6;havoc sumOfThirdBytes_#t~mem5; 252#L520-3 [2020-10-19 20:26:27,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:27,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2020-10-19 20:26:27,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:27,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090011412] [2020-10-19 20:26:27,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:27,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:27,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:27,918 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:27,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:27,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2020-10-19 20:26:27,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:27,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644016005] [2020-10-19 20:26:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:27,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:27,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:27,931 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:27,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:27,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2020-10-19 20:26:27,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:27,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398213277] [2020-10-19 20:26:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:27,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:27,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:27,967 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:28,219 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-10-19 20:26:28,306 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:26:28,306 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:26:28,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:26:28,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:26:28,307 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:26:28,307 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:28,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:26:28,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:26:28,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration4_Lasso [2020-10-19 20:26:28,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:26:28,308 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:26:28,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,520 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-10-19 20:26:28,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:28,747 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-10-19 20:26:28,991 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:26:28,991 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:28,998 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 [2020-10-19 20:26:29,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,040 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 [2020-10-19 20:26:29,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,087 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 [2020-10-19 20:26:29,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:29,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,120 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 [2020-10-19 20:26:29,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:29,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,161 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 [2020-10-19 20:26:29,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:26:29,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:29,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,229 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 [2020-10-19 20:26:29,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:29,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,268 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 [2020-10-19 20:26:29,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:29,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,297 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 [2020-10-19 20:26:29,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:29,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,327 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 [2020-10-19 20:26:29,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:29,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:26:29,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,424 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 [2020-10-19 20:26:29,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:29,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,494 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 [2020-10-19 20:26:29,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,554 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 [2020-10-19 20:26:29,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,592 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 [2020-10-19 20:26:29,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:29,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,619 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 [2020-10-19 20:26:29,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:29,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:29,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:29,668 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 [2020-10-19 20:26:29,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:29,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:29,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:29,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:29,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:29,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:29,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:26:29,684 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:26:29,684 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:29,689 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:26:29,689 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:26:29,690 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:26:29,690 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2 Supporting invariants [] [2020-10-19 20:26:29,727 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-10-19 20:26:29,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 20:26:29,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:29,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:26:29,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:29,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:26:29,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:29,779 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 [2020-10-19 20:26:29,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:26:29,795 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 34 transitions. Complement of second has 7 states. [2020-10-19 20:26:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:26:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:26:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-10-19 20:26:29,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-19 20:26:29,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:29,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2020-10-19 20:26:29,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:29,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-19 20:26:29,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:29,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2020-10-19 20:26:29,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:26:29,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 26 transitions. [2020-10-19 20:26:29,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:26:29,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-19 20:26:29,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2020-10-19 20:26:29,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:26:29,800 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-10-19 20:26:29,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2020-10-19 20:26:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2020-10-19 20:26:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-19 20:26:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2020-10-19 20:26:29,803 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-10-19 20:26:29,803 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-10-19 20:26:29,803 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 20:26:29,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2020-10-19 20:26:29,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:26:29,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:29,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:29,804 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:26:29,804 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:26:29,805 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 363#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 364#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 378#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 370#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 365#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 366#L534-3 assume !(main_~i~1 < main_~array_size~0); 371#L534-4 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~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, 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; 372#L517-3 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; 373#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 377#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 367#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 368#L517-3 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; 375#L520-3 [2020-10-19 20:26:29,805 INFO L796 eck$LassoCheckResult]: Loop: 375#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 376#L520-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~post6;havoc sumOfThirdBytes_#t~mem5; 375#L520-3 [2020-10-19 20:26:29,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:29,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2020-10-19 20:26:29,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:29,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858765267] [2020-10-19 20:26:29,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:29,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858765267] [2020-10-19 20:26:29,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661035433] [2020-10-19 20:26:29,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 20:26:29,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-19 20:26:29,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-19 20:26:29,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 20:26:29,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:29,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 20:26:29,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-10-19 20:26:29,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257850872] [2020-10-19 20:26:29,958 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:26:29,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:29,958 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2020-10-19 20:26:29,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:29,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673803657] [2020-10-19 20:26:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:29,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:29,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:29,967 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:29,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:26:29,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-19 20:26:29,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-19 20:26:29,996 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand 10 states. [2020-10-19 20:26:30,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:26:30,128 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2020-10-19 20:26:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 20:26:30,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2020-10-19 20:26:30,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:26:30,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2020-10-19 20:26:30,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-19 20:26:30,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-19 20:26:30,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2020-10-19 20:26:30,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 20:26:30,133 INFO L691 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-19 20:26:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2020-10-19 20:26:30,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-10-19 20:26:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-19 20:26:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-10-19 20:26:30,140 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-10-19 20:26:30,140 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-10-19 20:26:30,140 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-19 20:26:30,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2020-10-19 20:26:30,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 20:26:30,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:26:30,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:26:30,143 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:26:30,143 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 20:26:30,143 INFO L794 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 475#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 476#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 489#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 477#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 473#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 474#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 478#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 491#L534-3 assume !(main_~i~1 < main_~array_size~0); 482#L534-4 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~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, 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; 483#L517-3 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; 484#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 492#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 480#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 481#L517-3 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; 486#L520-3 [2020-10-19 20:26:30,143 INFO L796 eck$LassoCheckResult]: Loop: 486#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 487#L520-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~post6;havoc sumOfThirdBytes_#t~mem5; 486#L520-3 [2020-10-19 20:26:30,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:30,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2020-10-19 20:26:30,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:30,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128480965] [2020-10-19 20:26:30,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:30,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:30,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:30,219 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:30,220 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2020-10-19 20:26:30,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:30,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527559710] [2020-10-19 20:26:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:30,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:30,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:30,239 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:30,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:30,239 INFO L82 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2020-10-19 20:26:30,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:26:30,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014441066] [2020-10-19 20:26:30,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:26:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:30,275 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:26:30,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:26:30,315 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:26:30,727 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 106 [2020-10-19 20:26:30,849 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:26:30,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:26:30,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:26:30,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:26:30,849 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:26:30,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:30,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:26:30,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:26:30,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration6_Lasso [2020-10-19 20:26:30,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:26:30,850 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:26:30,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:30,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:30,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:30,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:30,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,001 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-10-19 20:26:31,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:26:31,506 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:26:31,506 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,521 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 [2020-10-19 20:26:31,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:31,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:31,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:31,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:31,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:31,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:31,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:31,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:26:31,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:31,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:31,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:31,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:31,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:31,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:31,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,577 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 [2020-10-19 20:26:31,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:31,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:31,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:31,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:31,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:31,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:31,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:26:31,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:31,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:31,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:31,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:31,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:31,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:31,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:31,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,646 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 [2020-10-19 20:26:31,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:31,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:31,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:31,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:31,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:26:31,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:26:31,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,682 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 [2020-10-19 20:26:31,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:26:31,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:26:31,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:26:31,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:26:31,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:26:31,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:26:31,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:26:31,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:26:31,689 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-10-19 20:26:31,689 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:26:31,692 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:26:31,692 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:26:31,693 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:26:31,693 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3 Supporting invariants [] [2020-10-19 20:26:31,738 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2020-10-19 20:26:31,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 20:26:31,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:31,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:26:31,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:31,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:26:31,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:31,795 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 [2020-10-19 20:26:31,795 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:26:31,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 31 transitions. Complement of second has 7 states. [2020-10-19 20:26:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:26:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:26:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-10-19 20:26:31,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 20:26:31,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:31,821 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 20:26:31,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:31,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:26:31,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:31,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:26:31,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:31,874 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:26:31,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:26:31,889 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 31 transitions. Complement of second has 7 states. [2020-10-19 20:26:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:26:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:26:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-10-19 20:26:31,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 20:26:31,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:31,892 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-19 20:26:31,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:26:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:31,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:26:31,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:26:31,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 20:26:31,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:26:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:26:31,946 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:26:31,946 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-19 20:26:31,963 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 27 states and 33 transitions. Complement of second has 6 states. [2020-10-19 20:26:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 20:26:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:26:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-10-19 20:26:31,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-19 20:26:31,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:31,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-19 20:26:31,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:31,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-19 20:26:31,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:26:31,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2020-10-19 20:26:31,967 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:26:31,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2020-10-19 20:26:31,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:26:31,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:26:31,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:26:31,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:26:31,968 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:26:31,968 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:26:31,968 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:26:31,968 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-19 20:26:31,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:26:31,969 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:26:31,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:26:31,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:26:31 BoogieIcfgContainer [2020-10-19 20:26:31,976 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:26:31,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:26:31,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:26:31,977 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:26:31,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:26:24" (3/4) ... [2020-10-19 20:26:31,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:26:31,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:26:31,983 INFO L168 Benchmark]: Toolchain (without parser) took 8940.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 958.6 MB in the beginning and 909.9 MB in the end (delta: 48.7 MB). Peak memory consumption was 367.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:31,983 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:26:31,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:31,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:26:31,985 INFO L168 Benchmark]: Boogie Preprocessor took 29.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:31,986 INFO L168 Benchmark]: RCFGBuilder took 347.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:31,987 INFO L168 Benchmark]: BuchiAutomizer took 7869.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 909.9 MB in the end (delta: 173.6 MB). Peak memory consumption was 363.4 MB. Max. memory is 11.5 GB. [2020-10-19 20:26:31,987 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 1.3 GB. Free memory is still 909.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:26:31,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 347.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7869.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 909.9 MB in the end (delta: 173.6 MB). Peak memory consumption was 363.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.77 ms. Allocated memory is still 1.3 GB. Free memory is still 909.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[numbers] + -4 * i and consists of 5 locations. One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 6.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 103 SDslu, 77 SDs, 0 SdLazy, 114 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax113 hnf98 lsp80 ukn81 mio100 lsp60 div100 bol100 ite100 ukn100 eq179 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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...