./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.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 435b8969847f634e43a3aa10fb9893ccda74c646 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:27:08,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:27:08,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:27:08,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:27:08,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:27:08,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:27:08,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:27:08,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:27:08,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:27:08,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:27:08,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:27:08,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:27:08,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:27:08,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:27:08,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:27:08,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:27:08,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:27:08,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:27:08,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:27:08,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:27:08,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:27:08,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:27:08,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:27:08,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:27:08,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:27:08,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:27:08,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:27:08,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:27:08,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:27:08,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:27:08,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:27:08,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:27:08,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:27:08,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:27:08,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:27:08,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:27:08,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:27:08,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:27:08,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:27:08,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:27:08,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:27:08,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:27:08,752 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:27:08,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:27:08,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:27:08,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:27:08,756 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:27:08,757 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:27:08,757 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:27:08,758 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:27:08,758 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:27:08,758 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:27:08,759 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:27:08,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:27:08,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:27:08,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:27:08,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:27:08,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:27:08,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:27:08,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:27:08,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:27:08,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:27:08,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:27:08,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:27:08,762 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:27:08,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:27:08,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:27:08,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:27:08,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:27:08,763 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:27:08,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:27:08,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:27:08,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:27:08,764 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:27:08,766 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:27:08,766 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b8969847f634e43a3aa10fb9893ccda74c646 [2020-10-26 04:27:09,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:27:09,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:27:09,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:27:09,228 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:27:09,231 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:27:09,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2020-10-26 04:27:09,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53a886eb/3bd74d8892374046a0a0ffbbdbaa9181/FLAG2335ba37d [2020-10-26 04:27:09,923 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:27:09,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2020-10-26 04:27:09,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53a886eb/3bd74d8892374046a0a0ffbbdbaa9181/FLAG2335ba37d [2020-10-26 04:27:10,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53a886eb/3bd74d8892374046a0a0ffbbdbaa9181 [2020-10-26 04:27:10,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:27:10,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:27:10,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:27:10,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:27:10,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:27:10,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1953283f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10, skipping insertion in model container [2020-10-26 04:27:10,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:27:10,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:27:10,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:27:10,569 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:27:10,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:27:10,612 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:27:10,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10 WrapperNode [2020-10-26 04:27:10,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:27:10,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:27:10,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:27:10,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:27:10,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:27:10,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:27:10,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:27:10,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:27:10,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... [2020-10-26 04:27:10,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:27:10,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:27:10,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:27:10,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:27:10,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:27:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:27:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:27:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:27:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:27:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:27:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:27:11,222 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:27:11,223 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-26 04:27:11,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:27:11 BoogieIcfgContainer [2020-10-26 04:27:11,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:27:11,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:27:11,228 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:27:11,231 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:27:11,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:27:11,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:27:10" (1/3) ... [2020-10-26 04:27:11,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@640fe24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:27:11, skipping insertion in model container [2020-10-26 04:27:11,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:27:11,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:27:10" (2/3) ... [2020-10-26 04:27:11,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@640fe24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:27:11, skipping insertion in model container [2020-10-26 04:27:11,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:27:11,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:27:11" (3/3) ... [2020-10-26 04:27:11,239 INFO L373 chiAutomizerObserver]: Analyzing ICFG array_single_elem_init.i [2020-10-26 04:27:11,325 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:27:11,325 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:27:11,325 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:27:11,326 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:27:11,326 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:27:11,326 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:27:11,326 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:27:11,327 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:27:11,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-10-26 04:27:11,380 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2020-10-26 04:27:11,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:27:11,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:27:11,389 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:27:11,389 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:27:11,389 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:27:11,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-10-26 04:27:11,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2020-10-26 04:27:11,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:27:11,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:27:11,394 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:27:11,394 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:27:11,404 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(25); 11#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 5#L21-3true [2020-10-26 04:27:11,406 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-3true assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 23#L25true assume 0 == main_~q~0;call write~int(1, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);call write~int((if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2), main_~#b~0.base, main_~#b~0.offset + 4 * main_~i~0, 4); 18#L25-2true call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 9#L30true assume !(0 != main_#t~mem5);havoc main_#t~mem5; 8#L21-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5#L21-3true [2020-10-26 04:27:11,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:11,417 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-26 04:27:11,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:11,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535676108] [2020-10-26 04:27:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:11,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:11,602 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:11,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:11,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:11,626 INFO L82 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2020-10-26 04:27:11,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:11,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641125429] [2020-10-26 04:27:11,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:11,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:11,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:11,711 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:11,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2020-10-26 04:27:11,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:11,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822092405] [2020-10-26 04:27:11,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:27:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:27:11,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822092405] [2020-10-26 04:27:11,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:27:11,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 04:27:11,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616168256] [2020-10-26 04:27:12,013 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-10-26 04:27:12,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:27:12,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:27:12,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:27:12,148 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 5 states. [2020-10-26 04:27:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:27:12,265 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2020-10-26 04:27:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:27:12,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2020-10-26 04:27:12,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-10-26 04:27:12,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 24 transitions. [2020-10-26 04:27:12,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-26 04:27:12,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-10-26 04:27:12,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2020-10-26 04:27:12,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:27:12,278 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2020-10-26 04:27:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2020-10-26 04:27:12,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2020-10-26 04:27:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-26 04:27:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-10-26 04:27:12,307 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-26 04:27:12,307 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-10-26 04:27:12,307 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:27:12,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2020-10-26 04:27:12,308 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-10-26 04:27:12,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:27:12,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:27:12,309 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:27:12,309 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:27:12,309 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(25); 71#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 64#L21-3 [2020-10-26 04:27:12,310 INFO L796 eck$LassoCheckResult]: Loop: 64#L21-3 assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 65#L25 assume !(0 == main_~q~0); 74#L25-2 call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 75#L30 assume !(0 != main_#t~mem5);havoc main_#t~mem5; 67#L21-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 64#L21-3 [2020-10-26 04:27:12,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:12,310 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-10-26 04:27:12,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:12,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742009055] [2020-10-26 04:27:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:12,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:12,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:12,339 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:12,340 INFO L82 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2020-10-26 04:27:12,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:12,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673346641] [2020-10-26 04:27:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:12,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:12,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:12,364 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:12,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:12,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2020-10-26 04:27:12,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:12,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487113981] [2020-10-26 04:27:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:12,400 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:12,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:12,443 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:12,851 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-26 04:27:13,016 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-26 04:27:13,031 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:27:13,032 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:27:13,032 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:27:13,032 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:27:13,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:27:13,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:13,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:27:13,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:27:13,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration2_Lasso [2020-10-26 04:27:13,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:27:13,034 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:27:13,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,451 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-26 04:27:13,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:13,916 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:27:13,921 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:13,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:13,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:13,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:13,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:13,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:13,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:13,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:27:13,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:27:13,949 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 [2020-10-26 04:27:13,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:13,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:13,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:13,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:13,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:13,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:13,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:27:13,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:27:13,998 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 [2020-10-26 04:27:14,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:14,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:27:14,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:27:14,036 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 [2020-10-26 04:27:14,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:14,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:27:14,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:27:14,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,237 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:14,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:27:14,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:27:14,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,478 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:27:14,513 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) [2020-10-26 04:27:14,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,569 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 [2020-10-26 04:27:14,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:27:14,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:14,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:14,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:14,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:14,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:14,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:27:14,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:27:14,675 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-26 04:27:14,675 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. 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) [2020-10-26 04:27:14,683 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:14,686 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:27:14,687 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:27:14,688 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2020-10-26 04:27:14,913 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2020-10-26 04:27:14,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:27:14,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:27:14,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:27:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:27:14,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:27:14,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:27:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:27:15,017 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:27:15,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-10-26 04:27:15,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 25 states and 36 transitions. Complement of second has 7 states. [2020-10-26 04:27:15,077 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 [2020-10-26 04:27:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:27:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-10-26 04:27:15,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2020-10-26 04:27:15,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:27:15,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2020-10-26 04:27:15,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:27:15,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2020-10-26 04:27:15,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:27:15,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2020-10-26 04:27:15,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:27:15,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2020-10-26 04:27:15,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-26 04:27:15,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 04:27:15,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2020-10-26 04:27:15,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:27:15,087 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-26 04:27:15,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2020-10-26 04:27:15,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-26 04:27:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-26 04:27:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-10-26 04:27:15,090 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-26 04:27:15,090 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-26 04:27:15,090 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:27:15,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-10-26 04:27:15,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:27:15,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:27:15,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:27:15,092 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:27:15,092 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:27:15,093 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(25); 222#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 214#L21-3 assume !(main_~i~0 < 100000); 212#L21-4 call write~int(1, main_~#a~0.base, 60000 + main_~#a~0.offset, 4);main_~i~0 := 0; 213#L43-3 [2020-10-26 04:27:15,093 INFO L796 eck$LassoCheckResult]: Loop: 213#L43-3 assume !!(main_~i~0 < 100000); 217#L45 assume !(15000 == main_~i~0); 221#L43-2 main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 213#L43-3 [2020-10-26 04:27:15,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:15,094 INFO L82 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2020-10-26 04:27:15,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:15,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865488792] [2020-10-26 04:27:15,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:27:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:27:15,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865488792] [2020-10-26 04:27:15,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:27:15,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:27:15,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826630830] [2020-10-26 04:27:15,120 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:27:15,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:15,120 INFO L82 PathProgramCache]: Analyzing trace with hash 72171, now seen corresponding path program 1 times [2020-10-26 04:27:15,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:27:15,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699266957] [2020-10-26 04:27:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:27:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:15,124 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:27:15,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:27:15,128 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:27:15,190 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:27:15,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:27:15,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:27:15,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:27:15,190 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:27:15,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:27:15,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:27:15,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2020-10-26 04:27:15,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:27:15,191 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:27:15,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:15,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:15,271 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:27:15,272 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-10-26 04:27:15,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:27:15,284 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:27:15,291 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 04:27:15,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:27:15,334 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:27:15,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:27:15,385 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,525 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:27:15,528 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:27:15,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:27:15,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:27:15,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:27:15,529 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:27:15,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:27:15,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:27:15,530 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2020-10-26 04:27:15,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:27:15,530 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:27:15,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:15,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:27:15,606 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:27:15,606 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:15,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:15,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:15,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:15,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:27:15,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:15,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:27:15,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:27:15,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:27:15,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:27:15,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:27:15,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:27:15,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:27:15,672 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:27:15,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:27:15,676 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:27:15,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:27:15,683 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:27:15,684 INFO L444 ModelExtractionUtils]: 0 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:27:15,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:27:15,687 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:27:15,687 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:27:15,687 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:27:15,711 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:27:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:27:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:27:15,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:27:15,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:27:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:27:15,769 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:27:15,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:27:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:27:15,793 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:27:15,793 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-26 04:27:15,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 22 states and 30 transitions. Complement of second has 4 states. [2020-10-26 04:27:15,822 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 [2020-10-26 04:27:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:27:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2020-10-26 04:27:15,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-26 04:27:15,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:27:15,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-26 04:27:15,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:27:15,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-26 04:27:15,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:27:15,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2020-10-26 04:27:15,835 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:27:15,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2020-10-26 04:27:15,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:27:15,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:27:15,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:27:15,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:27:15,836 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:27:15,836 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:27:15,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:27:15,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:27:15,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:27:15,842 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 04:27:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:27:15,842 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:27:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:27:15,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:27:15,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:27:15,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:27:15,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:27:15,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:27:15,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:27:15,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:27:15,844 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:27:15,844 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:27:15,844 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:27:15,844 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:27:15,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:27:15,844 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:27:15,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:27:15,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:27:15 BoogieIcfgContainer [2020-10-26 04:27:15,851 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:27:15,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:27:15,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:27:15,860 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:27:15,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:27:11" (3/4) ... [2020-10-26 04:27:15,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:27:15,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:27:15,873 INFO L168 Benchmark]: Toolchain (without parser) took 5581.70 ms. Allocated memory was 46.1 MB in the beginning and 88.1 MB in the end (delta: 41.9 MB). Free memory was 23.2 MB in the beginning and 66.7 MB in the end (delta: -43.6 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:15,874 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 46.1 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:27:15,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.65 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 24.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:15,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.92 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 22.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:27:15,876 INFO L168 Benchmark]: Boogie Preprocessor took 30.25 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 21.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:27:15,881 INFO L168 Benchmark]: RCFGBuilder took 538.93 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 21.4 MB in the beginning and 32.5 MB in the end (delta: -11.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:15,884 INFO L168 Benchmark]: BuchiAutomizer took 4623.69 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 32.3 MB in the beginning and 67.2 MB in the end (delta: -34.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:27:15,890 INFO L168 Benchmark]: Witness Printer took 12.22 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 66.7 MB in the end (delta: 462.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:27:15,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 46.1 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.65 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 24.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.92 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 22.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.25 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 21.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 538.93 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 21.4 MB in the beginning and 32.5 MB in the end (delta: -11.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4623.69 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 32.3 MB in the beginning and 67.2 MB in the end (delta: -34.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 12.22 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 66.7 MB in the end (delta: 462.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199999 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 46 SDslu, 30 SDs, 0 SdLazy, 64 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp96 ukn83 mio100 lsp78 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...