./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Flip.c -s /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 0.1.24-678e011 [2019-11-20 10:28:37,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:28:37,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:28:37,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:28:37,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:28:37,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:28:37,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:28:37,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:28:37,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:28:37,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:28:37,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:28:37,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:28:37,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:28:37,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:28:37,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:28:37,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:28:37,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:28:37,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:28:37,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:28:37,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:28:37,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:28:37,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:28:37,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:28:37,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:28:37,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:28:37,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:28:37,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:28:37,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:28:37,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:28:37,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:28:37,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:28:37,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:28:37,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:28:37,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:28:37,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:28:37,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:28:37,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:28:37,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:28:37,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:28:37,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:28:37,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:28:37,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:28:37,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:28:37,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:28:37,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:28:37,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:28:37,559 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:28:37,560 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:28:37,560 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:28:37,560 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:28:37,560 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:28:37,560 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:28:37,560 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:28:37,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:28:37,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:28:37,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:28:37,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:28:37,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:28:37,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:28:37,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:28:37,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:28:37,562 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:28:37,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:28:37,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:28:37,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:28:37,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:28:37,563 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:28:37,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:28:37,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:28:37,564 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:28:37,564 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:28:37,565 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 [2019-11-20 10:28:37,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:28:37,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:28:37,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:28:37,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:28:37,723 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:28:37,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/Flip.c [2019-11-20 10:28:37,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/data/1df688df1/877ae1c0f4b9475a8e4d73ceed8caa16/FLAG798b31118 [2019-11-20 10:28:38,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:28:38,149 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/sv-benchmarks/c/termination-restricted-15/Flip.c [2019-11-20 10:28:38,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/data/1df688df1/877ae1c0f4b9475a8e4d73ceed8caa16/FLAG798b31118 [2019-11-20 10:28:38,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/data/1df688df1/877ae1c0f4b9475a8e4d73ceed8caa16 [2019-11-20 10:28:38,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:28:38,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:28:38,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:28:38,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:28:38,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:28:38,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bfbe8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38, skipping insertion in model container [2019-11-20 10:28:38,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:28:38,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:28:38,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:28:38,337 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:28:38,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:28:38,438 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:28:38,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38 WrapperNode [2019-11-20 10:28:38,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:28:38,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:28:38,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:28:38,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:28:38,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:28:38,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:28:38,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:28:38,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:28:38,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... [2019-11-20 10:28:38,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:28:38,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:28:38,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:28:38,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:28:38,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 [2019-11-20 10:28:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:28:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:28:38,698 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:28:38,698 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:28:38,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:28:38 BoogieIcfgContainer [2019-11-20 10:28:38,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:28:38,701 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:28:38,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:28:38,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:28:38,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:28:38,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:28:38" (1/3) ... [2019-11-20 10:28:38,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56fefe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:28:38, skipping insertion in model container [2019-11-20 10:28:38,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:28:38,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:28:38" (2/3) ... [2019-11-20 10:28:38,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56fefe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:28:38, skipping insertion in model container [2019-11-20 10:28:38,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:28:38,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:28:38" (3/3) ... [2019-11-20 10:28:38,717 INFO L371 chiAutomizerObserver]: Analyzing ICFG Flip.c [2019-11-20 10:28:38,766 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:28:38,767 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:28:38,767 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:28:38,767 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:28:38,767 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:28:38,768 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:28:38,768 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:28:38,768 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:28:38,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-20 10:28:38,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:28:38,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:28:38,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:28:38,806 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:28:38,806 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:28:38,806 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:28:38,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-20 10:28:38,807 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:28:38,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:28:38,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:28:38,808 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:28:38,808 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:28:38,815 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~j~0, main_~t~0;havoc main_~i~0;havoc main_~j~0;havoc main_~t~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~t~0 := 0; 5#L13-2true [2019-11-20 10:28:38,815 INFO L796 eck$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 [2019-11-20 10:28:38,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:28:38,821 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 10:28:38,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:28:38,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317766597] [2019-11-20 10:28:38,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:28:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:28:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:28:38,934 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:28:38,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:28:38,936 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-20 10:28:38,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:28:38,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913439373] [2019-11-20 10:28:38,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:28:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:28:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:28:38,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:28:38,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:28:38,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-20 10:28:38,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:28:38,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186390283] [2019-11-20 10:28:38,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:28:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:28:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:28:38,984 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:28:39,104 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:28:39,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:28:39,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:28:39,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:28:39,105 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:28:39,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:28:39,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:28:39,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:28:39,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: Flip.c_Iteration1_Lasso [2019-11-20 10:28:39,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:28:39,106 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:28:39,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:28:39,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:28:39,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:28:39,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:28:39,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:28:39,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:28:39,418 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-11-20 10:28:39,430 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:28:39,431 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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) [2019-11-20 10:28:39,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:28:39,442 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 [2019-11-20 10:28:39,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:28:39,451 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/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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) [2019-11-20 10:28:39,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:28:39,473 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:28:39,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:28:39,478 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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) [2019-11-20 10:28:39,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:28:39,489 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 [2019-11-20 10:28:39,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:28:39,495 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/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 [2019-11-20 10:28:39,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:28:39,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:28:39,505 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:28:39,505 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/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 [2019-11-20 10:28:39,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:28:39,520 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 [2019-11-20 10:28:39,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:28:39,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:28:39,712 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:28:39,712 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/run_dir_09397fd6-3222-4815-8584-8fda2540da74/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 [2019-11-20 10:28:39,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:28:39,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:28:39,725 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:28:39,725 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: [] [2019-11-20 10:28:39,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:28:39 BoogieIcfgContainer [2019-11-20 10:28:39,753 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:28:39,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:28:39,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:28:39,754 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:28:39,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:28:38" (3/4) ... [2019-11-20 10:28:39,757 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 10:28:39,794 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_09397fd6-3222-4815-8584-8fda2540da74/bin/uautomizer/witness.graphml [2019-11-20 10:28:39,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:28:39,796 INFO L168 Benchmark]: Toolchain (without parser) took 1631.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -101.7 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:28:39,797 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:28:39,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 946.0 MB in the beginning and 1.2 GB in the end (delta: -214.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:28:39,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:28:39,798 INFO L168 Benchmark]: Boogie Preprocessor took 19.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:28:39,799 INFO L168 Benchmark]: RCFGBuilder took 208.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:28:39,800 INFO L168 Benchmark]: BuchiAutomizer took 1052.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:28:39,800 INFO L168 Benchmark]: Witness Printer took 41.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:28:39,803 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 946.0 MB in the beginning and 1.2 GB in the end (delta: -214.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 208.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1052.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. * Witness Printer took 41.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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. [2019-11-20 10:28:39,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,811 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2019-11-20 10:28:39,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2019-11-20 10:28:39,815 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@52b39e94=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65627d0d=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@52b39e94=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65627d0d=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@52b39e94=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@65627d0d=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...