./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Flip.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_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Flip.c -s /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 450446710566ec183df799a31b6732fa6118716d ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:21,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:21,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:21,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:21,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:21,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:21,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:21,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:21,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:21,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:21,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:21,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:21,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:21,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:21,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:21,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:21,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:21,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:21,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:21,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:21,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:21,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:21,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:21,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:21,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:21,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:21,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:21,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:21,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:21,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:21,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:21,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:21,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:21,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:21,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:21,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:21,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:21,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:21,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:21,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:21,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:21,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:59:21,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:21,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:21,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:21,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:21,635 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:21,635 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:59:21,635 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:59:21,636 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:59:21,636 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:59:21,637 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:59:21,637 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:59:21,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:21,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:21,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:21,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:21,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:59:21,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:59:21,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:59:21,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:21,638 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:59:21,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:21,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:59:21,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:21,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:21,639 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:59:21,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:21,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:21,640 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:59:21,641 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:59:21,641 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_edd7db64-379e-4c0e-b038-bf0ca389851e/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 -> 450446710566ec183df799a31b6732fa6118716d [2019-10-22 08:59:21,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:21,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:21,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:21,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:21,695 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:21,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/Flip.c [2019-10-22 08:59:21,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/data/7778f442f/aec3bfe95dd34f478ec157db20acd82e/FLAG68addd054 [2019-10-22 08:59:22,117 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:22,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/sv-benchmarks/c/termination-restricted-15/Flip.c [2019-10-22 08:59:22,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/data/7778f442f/aec3bfe95dd34f478ec157db20acd82e/FLAG68addd054 [2019-10-22 08:59:22,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/data/7778f442f/aec3bfe95dd34f478ec157db20acd82e [2019-10-22 08:59:22,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:22,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:22,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:22,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:22,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:22,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e35639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22, skipping insertion in model container [2019-10-22 08:59:22,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:22,561 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:22,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:22,709 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:22,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:22,784 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:22,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22 WrapperNode [2019-10-22 08:59:22,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:22,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:22,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:22,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:22,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:22,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:22,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:22,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:22,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... [2019-10-22 08:59:22,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:22,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:22,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:22,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:22,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 08:59:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:22,999 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:22,999 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:59:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:23 BoogieIcfgContainer [2019-10-22 08:59:23,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:23,001 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:59:23,001 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:59:23,007 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:59:23,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:23,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:59:22" (1/3) ... [2019-10-22 08:59:23,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e91620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:23, skipping insertion in model container [2019-10-22 08:59:23,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:23,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:22" (2/3) ... [2019-10-22 08:59:23,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e91620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:23, skipping insertion in model container [2019-10-22 08:59:23,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:23,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:23" (3/3) ... [2019-10-22 08:59:23,011 INFO L371 chiAutomizerObserver]: Analyzing ICFG Flip.c [2019-10-22 08:59:23,057 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:59:23,058 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:59:23,058 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:59:23,058 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:23,058 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:23,058 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:59:23,058 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:23,058 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:59:23,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 08:59:23,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:59:23,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:23,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:23,100 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:59:23,101 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:59:23,101 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:59:23,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-10-22 08:59:23,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:59:23,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:23,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:23,102 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:59:23,102 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:59:23,109 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~t~0 := 0; 5#L13-2true [2019-10-22 08:59:23,109 INFO L793 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(0 != main_~i~0 && 0 != main_~j~0);main_~t~0 := main_~i~0;main_~i~0 := main_~j~0;main_~j~0 := main_~t~0; 5#L13-2true [2019-10-22 08:59:23,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:23,115 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:59:23,122 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:23,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570944684] [2019-10-22 08:59:23,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:23,219 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:23,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:23,222 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-10-22 08:59:23,222 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:23,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973421870] [2019-10-22 08:59:23,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:23,232 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:23,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:23,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:59:23,234 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:23,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94900929] [2019-10-22 08:59:23,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:23,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:23,249 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:23,365 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-10-22 08:59:23,431 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:23,432 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:23,432 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:23,432 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:23,433 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:59:23,433 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:23,433 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:23,433 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:23,433 INFO L131 ssoRankerPreferences]: Filename of dumped script: Flip.c_Iteration1_Lasso [2019-10-22 08:59:23,433 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:23,433 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:23,454 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 08:59:23,460 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 08:59:23,464 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 08:59:23,467 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 08:59:23,469 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 08:59:23,483 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 08:59:23,646 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:23,647 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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) [2019-10-22 08:59:23,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:23,654 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:23,664 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:23,664 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 08:59:23,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:23,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:23,673 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:23,673 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_edd7db64-379e-4c0e-b038-bf0ca389851e/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 08:59:23,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:23,687 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 [2019-10-22 08:59:23,691 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:23,692 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 08:59:23,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:23,700 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:23,703 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:23,703 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 [2019-10-22 08:59:23,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:23,708 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 [2019-10-22 08:59:23,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:23,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:23,854 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:23,854 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=0} Honda state: {ULTIMATE.start_main_~j~0=5, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=5} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=7, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=0, ULTIMATE.start_main_~i~0=0}, {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~t~0=-2, ULTIMATE.start_main_~i~0=0}] Lambdas: [0, 15, 0] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/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 [2019-10-22 08:59:23,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:23,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:23,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:23,863 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: [] [2019-10-22 08:59:23,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,873 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,874 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:59:23 BoogieIcfgContainer [2019-10-22 08:59:23,891 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:59:23,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:23,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:23,892 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:23,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:23" (3/4) ... [2019-10-22 08:59:23,895 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:59:23,925 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_edd7db64-379e-4c0e-b038-bf0ca389851e/bin/uautomizer/witness.graphml [2019-10-22 08:59:23,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:23,926 INFO L168 Benchmark]: Toolchain (without parser) took 1391.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 944.5 MB in the beginning and 975.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:23,927 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:23,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:23,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.49 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. [2019-10-22 08:59:23,928 INFO L168 Benchmark]: Boogie Preprocessor took 13.29 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. [2019-10-22 08:59:23,928 INFO L168 Benchmark]: RCFGBuilder took 173.22 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:23,929 INFO L168 Benchmark]: BuchiAutomizer took 890.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:23,929 INFO L168 Benchmark]: Witness Printer took 33.27 ms. Allocated memory is still 1.1 GB. Free memory is still 975.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:23,933 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.49 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 13.29 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 173.22 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 890.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 11.5 GB. * Witness Printer took 33.27 ms. Allocated memory is still 1.1 GB. Free memory is still 975.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax161 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq214 hnf93 smp100 dnf276 smp100 tf100 neg93 sie114 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution. [2019-10-22 08:59:23,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-10-22 08:59:23,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-10-22 08:59:23,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3700847e=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67efdced=0, ~unnamed0~0~false=0, i=0, j=0} State at position 1 is {t=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3700847e=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67efdced=0, ~unnamed0~0~false=0, i=5, j=5} For i>1, the state at position i is {t=0 + sum_{k=0}^i 7*0^k + -2*0^k, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3700847e=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67efdced=0 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, i=5 + sum_{k=0}^i 0, j=5 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [0, 15, 0] Mus: [1, 0] - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] int t; [L9] i = __VERIFIER_nondet_int() [L10] j = __VERIFIER_nondet_int() [L11] t = 0 Loop: [L13] COND TRUE i != 0 && j != 0 [L14] t = i [L15] i = j [L16] j = t End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...