./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07d66c4a8707cd8197105d63e3dee30aff715401 ........................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:00:16,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:00:16,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:00:16,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:00:16,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:00:16,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:00:16,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:00:16,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:00:16,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:00:16,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:00:16,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:00:16,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:00:16,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:00:16,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:00:16,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:00:16,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:00:16,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:00:16,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:00:16,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:00:16,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:00:16,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:00:16,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:00:16,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:00:16,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:00:16,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:00:16,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:00:16,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:00:16,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:00:16,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:00:16,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:00:16,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:00:16,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:00:16,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:00:16,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:00:16,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:00:16,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:00:16,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:00:16,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:00:16,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:00:16,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:00:16,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:00:16,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 11:00:16,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:00:16,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:00:16,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:00:16,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:00:16,837 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:00:16,838 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:00:16,838 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:00:16,838 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:00:16,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:00:16,838 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:00:16,838 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:00:16,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:00:16,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:00:16,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:00:16,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:00:16,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:00:16,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:00:16,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:00:16,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:00:16,840 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:00:16,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:00:16,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:00:16,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:00:16,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:00:16,841 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:00:16,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:00:16,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:00:16,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:00:16,842 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:00:16,842 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:00:16,843 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2019-12-07 11:00:16,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:00:16,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:00:16,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:00:16,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:00:16,955 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:00:16,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2019-12-07 11:00:16,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/data/ba1558f52/2cd221f2363e4848af8c7e24739db7bc/FLAG9d7eca509 [2019-12-07 11:00:17,431 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:00:17,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2019-12-07 11:00:17,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/data/ba1558f52/2cd221f2363e4848af8c7e24739db7bc/FLAG9d7eca509 [2019-12-07 11:00:17,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/data/ba1558f52/2cd221f2363e4848af8c7e24739db7bc [2019-12-07 11:00:17,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:00:17,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:00:17,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:00:17,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:00:17,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:00:17,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4562956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17, skipping insertion in model container [2019-12-07 11:00:17,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:00:17,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:00:17,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:00:17,573 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:00:17,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:00:17,622 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:00:17,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17 WrapperNode [2019-12-07 11:00:17,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:00:17,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:00:17,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:00:17,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:00:17,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:00:17,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:00:17,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:00:17,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:00:17,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... [2019-12-07 11:00:17,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:00:17,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:00:17,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:00:17,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:00:17,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:00:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:00:17,778 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:00:17,778 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 11:00:17,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:00:17 BoogieIcfgContainer [2019-12-07 11:00:17,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:00:17,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:00:17,779 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:00:17,781 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:00:17,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:00:17,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:00:17" (1/3) ... [2019-12-07 11:00:17,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31ef8e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:00:17, skipping insertion in model container [2019-12-07 11:00:17,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:00:17,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:17" (2/3) ... [2019-12-07 11:00:17,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31ef8e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:00:17, skipping insertion in model container [2019-12-07 11:00:17,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:00:17,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:00:17" (3/3) ... [2019-12-07 11:00:17,784 INFO L371 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-2.c [2019-12-07 11:00:17,813 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:00:17,813 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:00:17,813 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:00:17,813 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:00:17,813 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:00:17,813 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:00:17,813 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:00:17,814 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:00:17,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 11:00:17,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:00:17,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:00:17,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:00:17,839 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:00:17,839 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:00:17,839 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:00:17,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 11:00:17,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:00:17,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:00:17,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:00:17,841 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:00:17,841 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:00:17,845 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~max~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L16true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 6#L19-2true [2019-12-07 11:00:17,846 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~x~0 < main_~max~0); 11#L20true assume 0 != main_#t~nondet1;havoc main_#t~nondet1;main_~a~0 := 1 + main_~a~0; 9#L20-2true main_~x~0 := 1 + main_~x~0; 6#L19-2true [2019-12-07 11:00:17,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:17,849 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-12-07 11:00:17,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:17,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483715070] [2019-12-07 11:00:17,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:17,919 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:17,920 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2019-12-07 11:00:17,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:17,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394313985] [2019-12-07 11:00:17,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:17,931 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:17,932 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2019-12-07 11:00:17,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:17,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566729015] [2019-12-07 11:00:17,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:17,943 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:17,977 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:00:17,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:00:17,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:00:17,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:00:17,978 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:00:17,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:00:17,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:00:17,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:00:17,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2019-12-07 11:00:17,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:00:17,979 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:00:17,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,081 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:00:18,081 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:00:18,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:00:18,094 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:00:18,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:00:18,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:00:18,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:00:18,102 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:00:18,106 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:00:18,114 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:00:18,225 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:00:18,227 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:00:18,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:00:18,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:00:18,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:00:18,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:00:18,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:00:18,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:00:18,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:00:18,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d-2.c_Iteration1_Loop [2019-12-07 11:00:18,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:00:18,227 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:00:18,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:00:18,289 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:00:18,294 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:00:18,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:00:18,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:00:18,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:00:18,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:00:18,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:00:18,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:00:18,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,315 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 [2019-12-07 11:00:18,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:00:18,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:00:18,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:00:18,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:00:18,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:00:18,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:00:18,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,328 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 [2019-12-07 11:00:18,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:00:18,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:00:18,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:00:18,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:00:18,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:00:18,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:00:18,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:00:18,333 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:00:18,341 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 11:00:18,341 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4938f09c-6b37-44b0-821d-eb6c3bed42ed/bin/uautomizer/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 [2019-12-07 11:00:18,346 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:00:18,346 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:00:18,346 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:00:18,347 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~max~0 Supporting invariants [] [2019-12-07 11:00:18,350 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:00:18,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:00:18,376 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:00:18,376 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:00:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:00:18,384 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:00:18,385 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:00:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:00:18,405 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 [2019-12-07 11:00:18,406 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-12-07 11:00:18,434 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 7 states. [2019-12-07 11:00:18,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 11:00:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 11:00:18,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 11:00:18,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 11:00:18,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:00:18,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 11:00:18,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:00:18,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 11:00:18,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:00:18,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2019-12-07 11:00:18,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:00:18,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-12-07 11:00:18,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:00:18,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:00:18,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:00:18,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:00:18,444 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:00:18,444 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:00:18,444 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:00:18,444 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:00:18,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:00:18,444 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:00:18,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:00:18,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:00:18 BoogieIcfgContainer [2019-12-07 11:00:18,448 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:00:18,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:00:18,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:00:18,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:00:18,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:00:17" (3/4) ... [2019-12-07 11:00:18,451 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:00:18,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:00:18,453 INFO L168 Benchmark]: Toolchain (without parser) took 1000.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 946.2 MB in the beginning and 980.8 MB in the end (delta: -34.6 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:00:18,453 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:00:18,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:00:18,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:00:18,454 INFO L168 Benchmark]: Boogie Preprocessor took 11.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:00:18,455 INFO L168 Benchmark]: RCFGBuilder took 124.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:00:18,456 INFO L168 Benchmark]: BuchiAutomizer took 669.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.8 MB in the end (delta: 96.2 MB). Peak memory consumption was 96.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:00:18,456 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 980.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:00:18,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 124.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 669.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.8 MB in the end (delta: 96.2 MB). Peak memory consumption was 96.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 980.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + max and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...