./Ultimate.py --spec ../../sv-benchmarks/c/properties/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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/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_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/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_8cd2246f-c9a1-47df-828c-caabc1a4a571/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-aa41828 [2018-11-22 23:56:06,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:56:06,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:56:06,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:56:06,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:56:06,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:56:06,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:56:06,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:56:06,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:56:06,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:56:06,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:56:06,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:56:06,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:56:06,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:56:06,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:56:06,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:56:06,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:56:06,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:56:06,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:56:06,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:56:06,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:56:06,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:56:06,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:56:06,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:56:06,072 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:56:06,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:56:06,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:56:06,074 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:56:06,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:56:06,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:56:06,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:56:06,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:56:06,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:56:06,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:56:06,077 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:56:06,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:56:06,078 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 23:56:06,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:56:06,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:56:06,089 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:56:06,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:56:06,089 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:56:06,090 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:56:06,090 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:56:06,090 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:56:06,090 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:56:06,090 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:56:06,090 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:56:06,090 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:56:06,090 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:56:06,091 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:56:06,092 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:56:06,092 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:56:06,092 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:56:06,092 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:56:06,092 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:56:06,092 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:56:06,092 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:56:06,093 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:56:06,093 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:56:06,093 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:56:06,093 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:56:06,094 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:56:06,094 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_8cd2246f-c9a1-47df-828c-caabc1a4a571/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 [2018-11-22 23:56:06,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:56:06,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:56:06,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:56:06,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:56:06,129 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:56:06,129 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label18_false-unreach-call_false-termination.c [2018-11-22 23:56:06,163 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/data/da108be35/3e98cc35b31e4f4e92fb1aabb36f5e8a/FLAG698e8fe75 [2018-11-22 23:56:06,656 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:56:06,657 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/sv-benchmarks/c/eca-rers2012/Problem15_label18_false-unreach-call_false-termination.c [2018-11-22 23:56:06,670 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/data/da108be35/3e98cc35b31e4f4e92fb1aabb36f5e8a/FLAG698e8fe75 [2018-11-22 23:56:07,146 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/bin-2019/uautomizer/data/da108be35/3e98cc35b31e4f4e92fb1aabb36f5e8a [2018-11-22 23:56:07,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:56:07,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:56:07,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:56:07,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:56:07,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:56:07,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:07,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07, skipping insertion in model container [2018-11-22 23:56:07,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:07,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:56:07,213 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:56:07,647 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:56:07,650 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:56:07,820 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:56:07,829 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:56:07,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07 WrapperNode [2018-11-22 23:56:07,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:56:07,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:56:07,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:56:07,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:56:07,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:07,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:56:08,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:56:08,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:56:08,016 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:56:08,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... [2018-11-22 23:56:08,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:56:08,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:56:08,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:56:08,113 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:56:08,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/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 [2018-11-22 23:56:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:56:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:56:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:56:10,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:56:10,015 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-22 23:56:10,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:10 BoogieIcfgContainer [2018-11-22 23:56:10,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:56:10,016 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:56:10,016 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:56:10,019 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:56:10,020 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:56:10,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:56:07" (1/3) ... [2018-11-22 23:56:10,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da41522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:56:10, skipping insertion in model container [2018-11-22 23:56:10,021 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:56:10,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:07" (2/3) ... [2018-11-22 23:56:10,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6da41522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:56:10, skipping insertion in model container [2018-11-22 23:56:10,021 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:56:10,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:56:10" (3/3) ... [2018-11-22 23:56:10,023 INFO L375 chiAutomizerObserver]: Analyzing ICFG Problem15_label18_false-unreach-call_false-termination.c [2018-11-22 23:56:10,056 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:56:10,057 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:56:10,057 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:56:10,057 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:56:10,057 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:56:10,057 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:56:10,057 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:56:10,057 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:56:10,057 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:56:10,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 423 states. [2018-11-22 23:56:10,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2018-11-22 23:56:10,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:56:10,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:56:10,113 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:56:10,113 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] [2018-11-22 23:56:10,113 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:56:10,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 423 states. [2018-11-22 23:56:10,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2018-11-22 23:56:10,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:56:10,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:56:10,122 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:56:10,123 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] [2018-11-22 23:56:10,129 INFO L794 eck$LassoCheckResult]: Stem: 299#ULTIMATE.startENTRYtrue ~inputD~0 := 4;~inputB~0 := 2;~inputE~0 := 5;~inputA~0 := 1;~inputF~0 := 6;~inputC~0 := 3;~a4~0 := -89;~a29~0 := -127;~a2~0 := 1;~a0~0 := -44; 225#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5, main_~input~0, main_~output~0;main_~output~0 := -1; 3#L1766-2true [2018-11-22 23:56:10,131 INFO L796 eck$LassoCheckResult]: Loop: 3#L1766-2true assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet4;havoc main_#t~nondet4; 253#L1771true assume !(((((1 != main_~input~0 && 2 != main_~input~0) && 3 != main_~input~0) && 4 != main_~input~0) && 5 != main_~input~0) && 6 != main_~input~0);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; 216#L24true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 213#L24-2true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 80#L27-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 383#L30-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 300#L33-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 178#L36-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 365#L39-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 256#L42-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 139#L45-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 13#L48-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 329#L51-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 226#L54-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 217#L57-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 82#L60-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 386#L63-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 302#L66-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 180#L69-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 367#L72-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 268#L75-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 142#L78-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 15#L81-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 332#L84-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 229#L87-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 219#L90-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 85#L93-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 394#L96-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 305#L99-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 165#L102-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 369#L105-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 272#L108-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 145#L111-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 19#L114-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 334#L117-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 231#L120-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 205#L123-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 88#L126-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 397#L129-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 307#L132-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 168#L135-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 371#L138-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 275#L141-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 126#L144-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 21#L147-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 341#L150-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 235#L153-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && 43 < ~a29~0); 207#L156-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 91#L159-1true assume !(((3 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 400#L162-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && 43 < ~a29~0); 309#L165-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -61 < ~a0~0) && ~a29~0 <= -144); 171#L168-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && ~a29~0 <= -144); 58#L171-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && 43 < ~a29~0); 277#L174-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 129#L177-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && ~a29~0 <= -144); 24#L180-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 345#L183-1true assume !(((1 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -16 < ~a29~0 && 43 >= ~a29~0); 237#L186-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 209#L189-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -144 < ~a29~0 && -16 >= ~a29~0); 99#L192-1true assume !(((5 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 405#L195-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && ~a0~0 <= -147) && -16 < ~a29~0 && 43 >= ~a29~0); 292#L198-1true assume !(((4 == ~a2~0 && ~a4~0 <= -86) && -147 < ~a0~0 && -98 >= ~a0~0) && ~a29~0 <= -144); 173#L201-1true assume !(((2 == ~a2~0 && ~a4~0 <= -86) && -98 < ~a0~0 && -61 >= ~a0~0) && -144 < ~a29~0 && -16 >= ~a29~0); 60#L204-1true assume -61 < ~a0~0 && ~a4~0 <= -86 && 1 == calculate_output_~input && ((3 == ~a2~0 && ~a29~0 <= -144) || (2 == ~a2~0 && -16 < ~a29~0 && 43 >= ~a29~0) || (43 < ~a29~0 && 2 == ~a2~0));~a0~0 := 5 * (if -300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926) < 0 && 0 != (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) % 5 then 1 + (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) / 5 else (-300072 + (if ~a0~0 < 0 && 0 != ~a0~0 % 299926 then ~a0~0 % 299926 - 299926 else ~a0~0 % 299926)) / 5) - 2;~a29~0 := (if (if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019 < 0 && 0 != ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) % 5 then 1 + ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) / 5 else ((if ~a29~0 < 0 && 0 != ~a29~0 % 5 then 1 + ~a29~0 / 5 else ~a29~0 / 5) - 403019) / 5);~a2~0 := 1;calculate_output_#res := -1; 40#L1655true main_#t~ret5 := calculate_output_#res;main_~output~0 := main_#t~ret5;havoc main_#t~ret5; 3#L1766-2true [2018-11-22 23:56:10,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:56:10,137 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-22 23:56:10,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:56:10,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:56:10,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:56:10,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:56:10,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:56:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:56:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:56:10,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:56:10,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1810396639, now seen corresponding path program 1 times [2018-11-22 23:56:10,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:56:10,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:56:10,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:56:10,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:56:10,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:56:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:56:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:56:10,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:56:10,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1921383005, now seen corresponding path program 1 times [2018-11-22 23:56:10,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:56:10,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:56:10,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:56:10,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:56:10,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:56:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:56:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:56:10,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:56:10,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:56:10,846 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 90 [2018-11-22 23:56:10,885 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:56:10,885 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:56:10,885 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:56:10,885 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:56:10,886 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:56:10,886 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:56:10,886 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:56:10,886 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:56:10,886 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem15_label18_false-unreach-call_false-termination.c_Iteration1_Loop [2018-11-22 23:56:10,886 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:56:10,886 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:56:10,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:10,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:10,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:10,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:10,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:10,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:10,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:11,142 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2018-11-22 23:56:11,319 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2018-11-22 23:56:11,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-22 23:56:11,743 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2018-11-22 23:56:12,834 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 200 DAG size of output: 81 [2018-11-22 23:56:12,858 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:56:12,859 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/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 [2018-11-22 23:56:12,876 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:56:12,877 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8cd2246f-c9a1-47df-828c-caabc1a4a571/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 [2018-11-22 23:56:15,470 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:56:15,470 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:56:27,560 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:56:27,569 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:56:27,569 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:56:27,569 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:56:27,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:56:27,570 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:56:27,570 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:56:27,570 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:56:27,570 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:56:27,570 INFO L131 ssoRankerPreferences]: Filename of dumped script: Problem15_label18_false-unreach-call_false-termination.c_Iteration1_Loop [2018-11-22 23:56:27,570 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:56:27,570 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:56:27,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:56:27,750 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2018-11-22 23:56:28,091 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2018-11-22 23:56:28,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-22 23:56:28,349 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2018-11-22 23:56:29,256 WARN L180 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 82 [2018-11-22 23:56:29,272 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:56:29,276 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:56:29,278 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 [2018-11-22 23:56:29,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:56:29,280 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:56:29,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:56:29,280 INFO L206 nArgumentSynthesizer]: 4 loop disjuncts [2018-11-22 23:56:29,280 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:56:29,284 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 23:56:29,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:56:29,303 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 23:56:29,310 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 23:56:29,310 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-22 23:56:29,312 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 23:56:29,312 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 23:56:29,313 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 23:56:29,313 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a0~0) = 1*~a0~0 + 72 Supporting invariants [] [2018-11-22 23:56:29,314 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 23:56:29,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:56:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:56:29,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:56:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:56:29,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:57:03,420 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000) stderr output: (error "out of memory") [2018-11-22 23:57:03,421 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.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$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) ... 37 more [2018-11-22 23:57:03,423 INFO L168 Benchmark]: Toolchain (without parser) took 56274.12 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.5 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -227.0 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:57:03,424 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:57:03,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:57:03,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.54 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: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:57:03,425 INFO L168 Benchmark]: Boogie Preprocessor took 97.16 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. [2018-11-22 23:57:03,426 INFO L168 Benchmark]: RCFGBuilder took 1903.05 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: 56.6 MB). Peak memory consumption was 228.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:57:03,426 INFO L168 Benchmark]: BuchiAutomizer took 53406.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:57:03,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.54 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: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.16 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 1903.05 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: 56.6 MB). Peak memory consumption was 228.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53406.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.2 MB). Peak memory consumption was 29.4 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...