./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c -s /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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 b15653f6a2dde479fee065502d45075dfcaf4f25 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:16,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:16,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:16,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:16,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:16,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:16,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:16,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:16,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:16,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:16,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:16,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:16,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:16,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:16,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:16,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:16,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:16,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:16,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:16,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:16,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:16,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:16,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:16,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:16,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:16,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:16,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:16,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:16,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:16,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:16,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:16,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:16,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:16,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:16,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:16,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:16,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:16,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:16,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:16,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:16,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:16,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:58:16,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:16,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:16,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:16,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:16,621 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:16,622 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:16,622 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:16,622 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:16,622 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:16,623 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:16,623 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:16,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:16,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:16,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:16,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:16,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:16,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:16,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:16,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:16,625 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:16,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:16,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:16,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:16,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:16,626 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:16,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:16,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:16,626 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:16,627 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:16,628 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/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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 -> b15653f6a2dde479fee065502d45075dfcaf4f25 [2019-10-22 08:58:16,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:16,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:16,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:16,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:16,681 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:16,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaB17.c [2019-10-22 08:58:16,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/data/0937de8b0/d65a831845ac4fe0a1b2ed25d6c2a9c5/FLAG96077e633 [2019-10-22 08:58:17,125 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:17,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/sv-benchmarks/c/termination-restricted-15/PastaB17.c [2019-10-22 08:58:17,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/data/0937de8b0/d65a831845ac4fe0a1b2ed25d6c2a9c5/FLAG96077e633 [2019-10-22 08:58:17,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/bin/uautomizer/data/0937de8b0/d65a831845ac4fe0a1b2ed25d6c2a9c5 [2019-10-22 08:58:17,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:17,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:17,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:17,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:17,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:17,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39205bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17, skipping insertion in model container [2019-10-22 08:58:17,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,530 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:17,544 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:17,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:17,709 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:17,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:17,802 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:17,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17 WrapperNode [2019-10-22 08:58:17,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:17,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:17,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:17,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:17,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:17,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:17,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:17,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:17,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... [2019-10-22 08:58:17,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:17,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:17,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:17,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:17,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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 [2019-10-22 08:58:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:18,085 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:18,085 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:58:18,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:18 BoogieIcfgContainer [2019-10-22 08:58:18,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:18,087 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:18,087 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:18,091 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:18,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:18,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:17" (1/3) ... [2019-10-22 08:58:18,094 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e01bfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:18, skipping insertion in model container [2019-10-22 08:58:18,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:18,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:17" (2/3) ... [2019-10-22 08:58:18,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e01bfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:18, skipping insertion in model container [2019-10-22 08:58:18,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:18,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:18" (3/3) ... [2019-10-22 08:58:18,097 INFO L371 chiAutomizerObserver]: Analyzing ICFG PastaB17.c [2019-10-22 08:58:18,148 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:18,149 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:18,149 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:18,149 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:18,149 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:18,149 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:18,149 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:18,149 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:18,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:58:18,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:58:18,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:18,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:18,192 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:58:18,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:58:18,192 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:18,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:58:18,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:58:18,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:18,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:18,194 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:58:18,194 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:58:18,201 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L13-2true [2019-10-22 08:58:18,202 INFO L793 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 > main_~z~0); 7#L14-2true assume !(main_~y~0 > main_~z~0); 6#L14-3true main_~x~0 := main_~x~0 - 1; 5#L13-2true [2019-10-22 08:58:18,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:18,208 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:58:18,216 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:18,216 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886934487] [2019-10-22 08:58:18,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:18,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:18,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:18,311 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:18,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:18,312 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-10-22 08:58:18,313 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:18,313 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366040470] [2019-10-22 08:58:18,313 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:18,313 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:18,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:18,328 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:18,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:18,330 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-10-22 08:58:18,330 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:18,330 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622655579] [2019-10-22 08:58:18,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:18,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:18,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:18,344 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:18,387 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:18,388 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:18,388 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:18,389 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:18,389 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:58:18,389 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:18,389 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:18,389 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:18,389 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2019-10-22 08:58:18,389 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:18,390 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:18,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:18,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:18,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:18,507 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:18,508 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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 [2019-10-22 08:58:18,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:18,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:18,553 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:18,553 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/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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 [2019-10-22 08:58:18,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:18,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:18,570 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:18,570 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/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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) [2019-10-22 08:58:18,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:18,584 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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 [2019-10-22 08:58:18,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:58:18,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:18,801 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:58:18,803 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:18,803 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:18,803 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:18,804 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:18,804 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:58:18,804 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:18,804 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:18,804 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:18,804 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2019-10-22 08:58:18,804 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:18,804 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:18,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:18,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:18,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:18,875 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:18,880 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:58:18,882 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 [2019-10-22 08:58:18,883 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:18,884 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:18,884 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:18,884 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:18,888 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:18,888 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:18,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:18,896 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 [2019-10-22 08:58:18,897 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:18,898 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:18,898 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:18,898 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:18,900 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:18,900 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:18,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:18,909 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 [2019-10-22 08:58:18,909 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:18,910 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:18,910 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:18,910 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:18,910 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:18,911 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:18,912 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:18,920 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:58:18,929 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:58:18,929 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:58:18,931 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:58:18,932 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:58:18,932 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:58:18,932 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-10-22 08:58:18,935 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:58:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:18,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:18,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:19,000 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:58:19,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:19,032 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 [2019-10-22 08:58:19,034 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-10-22 08:58:19,101 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-10-22 08:58:19,102 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 [2019-10-22 08:58:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:58:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-10-22 08:58:19,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-10-22 08:58:19,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:19,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-10-22 08:58:19,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:19,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-10-22 08:58:19,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:19,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-10-22 08:58:19,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:58:19,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-10-22 08:58:19,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-10-22 08:58:19,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-10-22 08:58:19,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-10-22 08:58:19,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:58:19,120 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-10-22 08:58:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-10-22 08:58:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-10-22 08:58:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-10-22 08:58:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-10-22 08:58:19,177 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-10-22 08:58:19,184 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-10-22 08:58:19,184 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:19,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-10-22 08:58:19,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:58:19,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:19,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:19,186 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:58:19,186 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:58:19,186 INFO L791 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 71#L13-2 assume !!(main_~x~0 > main_~z~0); 73#L14-2 [2019-10-22 08:58:19,186 INFO L793 eck$LassoCheckResult]: Loop: 73#L14-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 73#L14-2 [2019-10-22 08:58:19,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:58:19,187 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,195 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067946271] [2019-10-22 08:58:19,195 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,208 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:19,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-10-22 08:58:19,209 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20502065] [2019-10-22 08:58:19,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,226 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:19,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,227 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-10-22 08:58:19,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527624181] [2019-10-22 08:58:19,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,246 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:19,281 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:19,281 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:19,281 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:19,281 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:19,281 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:58:19,282 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:19,282 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:19,282 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:19,282 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2019-10-22 08:58:19,282 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:19,282 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:19,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,364 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:19,365 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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) [2019-10-22 08:58:19,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:19,373 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:19,381 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:19,381 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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) [2019-10-22 08:58:19,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:19,394 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e26084-2279-441d-84d4-ad58819d307b/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) [2019-10-22 08:58:19,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:58:19,413 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:19,581 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:58:19,583 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:19,583 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:19,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:19,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:19,583 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:58:19,584 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:19,584 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:19,584 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:19,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2019-10-22 08:58:19,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:19,584 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:19,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,636 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:19,637 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:58:19,637 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 [2019-10-22 08:58:19,638 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:19,638 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:19,639 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:19,639 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:19,641 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:19,641 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:19,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:19,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:19,652 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:19,652 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:19,653 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:19,653 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:19,653 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:19,653 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:19,654 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:19,658 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:58:19,662 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:58:19,662 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:58:19,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:58:19,663 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:58:19,663 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:58:19,663 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-10-22 08:58:19,664 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:58:19,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:19,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:19,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:19,693 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:58:19,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:19,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:19,694 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:58:19,694 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-10-22 08:58:19,705 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2019-10-22 08:58:19,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:58:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-10-22 08:58:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-10-22 08:58:19,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2019-10-22 08:58:19,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:19,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2019-10-22 08:58:19,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:19,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:58:19,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:19,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-10-22 08:58:19,709 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:19,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-10-22 08:58:19,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:19,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:19,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:19,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:19,709 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:19,709 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:19,710 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:19,710 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:58:19,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:19,710 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:19,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:58:19,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:19 BoogieIcfgContainer [2019-10-22 08:58:19,717 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:19,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:19,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:19,718 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:19,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:18" (3/4) ... [2019-10-22 08:58:19,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:19,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:19,725 INFO L168 Benchmark]: Toolchain (without parser) took 2214.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 949.9 MB in the beginning and 965.4 MB in the end (delta: -15.5 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:19,725 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:19,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:19,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:19,727 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:19,727 INFO L168 Benchmark]: RCFGBuilder took 227.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:19,728 INFO L168 Benchmark]: BuchiAutomizer took 1629.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 130.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:19,728 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 965.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:19,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1629.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.4 MB in the end (delta: 130.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 965.4 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * z and consists of 5 locations. One deterministic module has affine ranking function y + -1 * z and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...