./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label18_false-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label18_false-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/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 32bit --witnessprinter.graph.data.programhash 2e4fd6f38c666ed2ed315215d838ee7e77b78a41 ....................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:53:41,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:53:41,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:53:41,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:53:41,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:53:41,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:53:41,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:53:41,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:53:41,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:53:41,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:53:41,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:53:41,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:53:41,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:53:41,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:53:41,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:53:41,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:53:41,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:53:41,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:53:41,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:53:41,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:53:41,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:53:41,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:53:41,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:53:41,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:53:41,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:53:41,800 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:53:41,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:53:41,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:53:41,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:53:41,802 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:53:41,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:53:41,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:53:41,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:53:41,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:53:41,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:53:41,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:53:41,805 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 09:53:41,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:53:41,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:53:41,814 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:53:41,814 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:53:41,815 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 09:53:41,815 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 09:53:41,815 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 09:53:41,815 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 09:53:41,815 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 09:53:41,815 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 09:53:41,816 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:53:41,816 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 09:53:41,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:53:41,817 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:53:41,818 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 09:53:41,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:53:41,818 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 09:53:41,818 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 09:53:41,819 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 09:53:41,819 INFO L133 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_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fd6f38c666ed2ed315215d838ee7e77b78a41 [2018-11-10 09:53:41,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:53:41,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:53:41,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:53:41,856 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:53:41,856 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:53:41,857 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label18_false-unreach-call_false-termination.c [2018-11-10 09:53:41,900 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/data/f9323f888/0f724ea4982142a2a6f2dad77728d30a/FLAG033126e0a [2018-11-10 09:53:42,339 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:53:42,340 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/sv-benchmarks/c/eca-rers2012/Problem15_label18_false-unreach-call_false-termination.c [2018-11-10 09:53:42,351 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/data/f9323f888/0f724ea4982142a2a6f2dad77728d30a/FLAG033126e0a [2018-11-10 09:53:42,361 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/data/f9323f888/0f724ea4982142a2a6f2dad77728d30a [2018-11-10 09:53:42,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:53:42,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:53:42,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:53:42,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:53:42,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:53:42,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:53:42" (1/1) ... [2018-11-10 09:53:42,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ce7209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:42, skipping insertion in model container [2018-11-10 09:53:42,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:53:42" (1/1) ... [2018-11-10 09:53:42,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:53:42,425 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:53:42,847 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:53:42,850 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:53:43,016 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:53:43,027 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:53:43,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43 WrapperNode [2018-11-10 09:53:43,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:53:43,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:53:43,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:53:43,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:53:43,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:53:43,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:53:43,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:53:43,247 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:53:43,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... [2018-11-10 09:53:43,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:53:43,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:53:43,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:53:43,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:53:43,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/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 [2018-11-10 09:53:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:53:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:53:45,945 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:53:45,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:53:45 BoogieIcfgContainer [2018-11-10 09:53:45,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:53:45,946 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 09:53:45,946 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 09:53:45,948 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 09:53:45,949 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:53:45,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 09:53:42" (1/3) ... [2018-11-10 09:53:45,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47815655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 09:53:45, skipping insertion in model container [2018-11-10 09:53:45,950 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:53:45,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:53:43" (2/3) ... [2018-11-10 09:53:45,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47815655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 09:53:45, skipping insertion in model container [2018-11-10 09:53:45,950 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 09:53:45,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:53:45" (3/3) ... [2018-11-10 09:53:45,952 INFO L375 chiAutomizerObserver]: Analyzing ICFG Problem15_label18_false-unreach-call_false-termination.c [2018-11-10 09:53:45,988 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 09:53:45,989 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 09:53:45,989 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 09:53:45,989 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 09:53:45,989 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:53:45,990 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:53:45,990 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 09:53:45,990 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:53:45,990 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 09:53:46,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 424 states. [2018-11-10 09:53:46,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 419 [2018-11-10 09:53:46,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 09:53:46,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 09:53:46,053 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 09:53:46,053 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:53:46,053 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 09:53:46,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 424 states. [2018-11-10 09:53:46,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 419 [2018-11-10 09:53:46,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 09:53:46,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 09:53:46,062 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 09:53:46,063 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:53:46,068 INFO L793 eck$LassoCheckResult]: Stem: 300#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~inputD~0 := 4;~inputB~0 := 2;~inputE~0 := 5;~inputA~0 := 1;~inputF~0 := 6;~inputC~0 := 3;~a4~0 := -89;~a29~0 := -127;~a2~0 := 1;~a0~0 := -44; 226#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet4, main_#t~ret5, main_~input~0, main_~output~0;main_~output~0 := -1; 3#L1766-3true [2018-11-10 09:53:46,070 INFO L795 eck$LassoCheckResult]: Loop: 3#L1766-3true assume true; 12#L1766-1true assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet4;havoc main_#t~nondet4; 254#L1771true assume !(((((main_~input~0 != 1 && main_~input~0 != 2) && main_~input~0 != 3) && main_~input~0 != 4) && main_~input~0 != 5) && main_~input~0 != 6);assume { :begin_inline_calculate_output } true;calculate_output_#in~input := main_~input~0;havoc calculate_output_#res;havoc calculate_output_#t~ret3, calculate_output_~input;calculate_output_~input := calculate_output_#in~input; 217#L24true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 214#L24-2true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 81#L27-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 384#L30-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 301#L33-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 179#L36-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 366#L39-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 257#L42-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 140#L45-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 14#L48-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 330#L51-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 227#L54-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 218#L57-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 83#L60-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 387#L63-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 303#L66-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 181#L69-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 368#L72-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 269#L75-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 143#L78-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 16#L81-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 333#L84-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 230#L87-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 220#L90-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 86#L93-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 395#L96-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 306#L99-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 166#L102-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 370#L105-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 273#L108-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 146#L111-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 20#L114-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 335#L117-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 232#L120-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 206#L123-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 89#L126-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 398#L129-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 308#L132-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 169#L135-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 372#L138-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 276#L141-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 127#L144-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 22#L147-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 342#L150-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 236#L153-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 208#L156-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 92#L159-1true assume !(((~a2~0 == 3 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 401#L162-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 310#L165-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -61 < ~a0~0) && ~a29~0 <= -144); 172#L168-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 59#L171-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 278#L174-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 130#L177-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 25#L180-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 346#L183-1true assume !(((~a2~0 == 1 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 238#L186-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 210#L189-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 100#L192-1true assume !(((~a2~0 == 5 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 406#L195-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 293#L198-1true assume !(((~a2~0 == 4 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 174#L201-1true assume !(((~a2~0 == 2 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 61#L204-1true assume -61 < ~a0~0 && ~a4~0 <= -86 && calculate_output_~input == 1 && ((~a2~0 == 3 && ~a29~0 <= -144) || (~a2~0 == 2 && -16 < ~a29~0 && 43 >= ~a29~0) || (43 < ~a29~0 && ~a2~0 == 2));~a0~0 := (if (if ~a0~0 < 0 && ~a0~0 % 299926 != 0 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) + -300072 < 0 && ((if ~a0~0 < 0 && ~a0~0 % 299926 != 0 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) + -300072) % 5 != 0 then ((if ~a0~0 < 0 && ~a0~0 % 299926 != 0 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) + -300072) / 5 + 1 else ((if ~a0~0 < 0 && ~a0~0 % 299926 != 0 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) + -300072) / 5) * 5 - 2;~a29~0 := (if (if ~a29~0 < 0 && ~a29~0 % 5 != 0 then ~a29~0 / 5 + 1 else ~a29~0 / 5) - 403019 < 0 && ((if ~a29~0 < 0 && ~a29~0 % 5 != 0 then ~a29~0 / 5 + 1 else ~a29~0 / 5) - 403019) % 5 != 0 then ((if ~a29~0 < 0 && ~a29~0 % 5 != 0 then ~a29~0 / 5 + 1 else ~a29~0 / 5) - 403019) / 5 + 1 else ((if ~a29~0 < 0 && ~a29~0 % 5 != 0 then ~a29~0 / 5 + 1 else ~a29~0 / 5) - 403019) / 5);~a2~0 := 1;calculate_output_#res := -1; 41#L1655true main_#t~ret5 := calculate_output_#res;assume { :end_inline_calculate_output } true;main_~output~0 := main_#t~ret5;havoc main_#t~ret5; 3#L1766-3true [2018-11-10 09:53:46,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:53:46,079 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 09:53:46,080 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:53:46,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:53:46,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:53:46,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:53:46,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:53:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:53:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:53:46,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:53:46,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1140877764, now seen corresponding path program 1 times [2018-11-10 09:53:46,145 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:53:46,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:53:46,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:53:46,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:53:46,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:53:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:53:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:53:46,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:53:46,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1995267714, now seen corresponding path program 1 times [2018-11-10 09:53:46,264 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:53:46,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:53:46,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:53:46,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:53:46,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:53:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:53:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:53:46,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:53:46,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 09:53:46,805 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 90 [2018-11-10 09:53:46,847 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:53:46,848 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:53:46,848 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:53:46,848 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:53:46,849 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 09:53:46,849 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:53:46,849 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:53:46,849 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:53:46,849 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem15_label18_false-unreach-call_false-termination.c_Iteration1_Loop [2018-11-10 09:53:46,849 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:53:46,849 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:53:46,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:46,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:46,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:46,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:46,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:46,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:46,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:53:47,155 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2018-11-10 09:53:47,346 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2018-11-10 09:53:47,370 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-10 09:53:47,800 WARN L179 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2018-11-10 09:53:48,940 WARN L179 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 200 DAG size of output: 81 [2018-11-10 09:53:48,960 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:53:48,961 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:53:48,966 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 09:53:48,966 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3072b22-19e7-4795-bacf-9aad3c32a611/bin-2019/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 [2018-11-10 09:53:50,128 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 09:53:50,128 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 09:54:02,187 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 09:54:02,191 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 09:54:02,192 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 09:54:02,192 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 09:54:02,192 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 09:54:02,192 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 09:54:02,192 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 09:54:02,192 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 09:54:02,192 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 09:54:02,192 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem15_label18_false-unreach-call_false-termination.c_Iteration1_Loop [2018-11-10 09:54:02,192 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 09:54:02,192 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 09:54:02,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 09:54:02,359 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2018-11-10 09:54:02,730 WARN L179 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2018-11-10 09:54:02,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-10 09:54:03,000 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2018-11-10 09:54:03,856 WARN L179 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 82 [2018-11-10 09:54:03,869 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 09:54:03,872 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 09:54:03,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 09:54:03,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 09:54:03,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 09:54:03,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 09:54:03,875 INFO L206 nArgumentSynthesizer]: 4 loop disjuncts [2018-11-10 09:54:03,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 09:54:03,879 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 09:54:03,879 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 09:54:03,897 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 09:54:03,905 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 09:54:03,906 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-10 09:54:03,907 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 09:54:03,907 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 09:54:03,908 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 09:54:03,909 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a0~0) = 1*~a0~0 + 72 Supporting invariants [] [2018-11-10 09:54:03,909 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 09:54:03,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:54:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:54:03,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:54:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:54:03,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:54:30,565 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2018-11-10 09:54:30,566 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:928) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.constructTraceCheck(RefineBuchi.java:611) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:208) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:755) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:384) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 31 more [2018-11-10 09:54:30,568 INFO L168 Benchmark]: Toolchain (without parser) took 48204.58 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 448.8 MB). Free memory was 955.0 MB in the beginning and 1.4 GB in the end (delta: -443.2 MB). Peak memory consumption was 486.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:54:30,569 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:54:30,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.79 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 863.7 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:54:30,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 863.7 MB in the beginning and 1.1 GB in the end (delta: -258.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:54:30,571 INFO L168 Benchmark]: Boogie Preprocessor took 140.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:54:30,572 INFO L168 Benchmark]: RCFGBuilder took 2557.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -120.8 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:54:30,573 INFO L168 Benchmark]: BuchiAutomizer took 44621.43 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 170.9 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -179.4 MB). Peak memory consumption was 472.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:54:30,576 INFO L336 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.79 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 863.7 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 219.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 863.7 MB in the beginning and 1.1 GB in the end (delta: -258.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 140.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2557.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -120.8 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44621.43 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 170.9 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -179.4 MB). Peak memory consumption was 472.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...