./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/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 64bit --witnessprinter.graph.data.programhash f2a8d3919c0496882213752e07135061fdbafdf6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:37:44,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:37:44,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:37:44,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:37:44,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:37:44,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:37:44,847 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:37:44,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:37:44,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:37:44,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:37:44,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:37:44,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:37:44,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:37:44,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:37:44,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:37:44,853 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:37:44,854 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:37:44,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:37:44,856 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:37:44,857 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:37:44,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:37:44,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:37:44,860 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:37:44,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:37:44,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:37:44,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:37:44,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:37:44,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:37:44,862 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:37:44,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:37:44,863 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:37:44,864 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:37:44,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:37:44,864 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:37:44,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:37:44,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:37:44,865 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 11:37:44,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:37:44,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:37:44,874 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:37:44,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:37:44,874 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:37:44,874 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:37:44,875 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:37:44,875 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:37:44,875 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:37:44,875 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:37:44,875 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:37:44,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:37:44,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:37:44,877 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:37:44,877 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:37:44,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:37:44,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:37:44,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:37:44,877 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:37:44,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:37:44,878 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:37:44,878 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:37:44,879 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:37:44,879 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_fc05e525-ea97-4896-929f-53959c4c3510/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a8d3919c0496882213752e07135061fdbafdf6 [2018-11-28 11:37:44,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:37:44,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:37:44,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:37:44,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:37:44,914 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:37:44,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-termination_true-valid-memsafety.c [2018-11-28 11:37:44,951 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/data/8d6f203ab/ec13fc55ca434a93a876a47aa0e9cd21/FLAG42181e084 [2018-11-28 11:37:45,345 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:37:45,345 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-termination_true-valid-memsafety.c [2018-11-28 11:37:45,349 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/data/8d6f203ab/ec13fc55ca434a93a876a47aa0e9cd21/FLAG42181e084 [2018-11-28 11:37:45,358 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/bin-2019/uautomizer/data/8d6f203ab/ec13fc55ca434a93a876a47aa0e9cd21 [2018-11-28 11:37:45,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:37:45,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:37:45,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:37:45,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:37:45,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:37:45,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db12ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45, skipping insertion in model container [2018-11-28 11:37:45,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:37:45,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:37:45,468 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:37:45,475 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:37:45,483 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:37:45,493 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:37:45,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45 WrapperNode [2018-11-28 11:37:45,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:37:45,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:37:45,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:37:45,494 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:37:45,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:37:45,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:37:45,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:37:45,522 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:37:45,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... [2018-11-28 11:37:45,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:37:45,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:37:45,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:37:45,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:37:45,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc05e525-ea97-4896-929f-53959c4c3510/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 [2018-11-28 11:37:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:37:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:37:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:37:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:37:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:37:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:37:45,768 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:37:45,768 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 11:37:45,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:45 BoogieIcfgContainer [2018-11-28 11:37:45,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:37:45,769 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:37:45,769 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:37:45,771 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:37:45,772 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:37:45,772 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:37:45" (1/3) ... [2018-11-28 11:37:45,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ff23b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:37:45, skipping insertion in model container [2018-11-28 11:37:45,774 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:37:45,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:45" (2/3) ... [2018-11-28 11:37:45,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ff23b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:37:45, skipping insertion in model container [2018-11-28 11:37:45,774 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:37:45,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:45" (3/3) ... [2018-11-28 11:37:45,776 INFO L375 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01_true-termination_true-valid-memsafety.c [2018-11-28 11:37:45,824 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:37:45,825 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:37:45,825 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:37:45,825 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:37:45,826 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:37:45,826 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:37:45,826 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:37:45,826 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:37:45,826 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:37:45,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 11:37:45,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 11:37:45,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:37:45,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:37:45,862 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:37:45,863 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 11:37:45,863 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:37:45,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 11:37:45,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 11:37:45,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:37:45,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:37:45,864 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 11:37:45,864 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 11:37:45,870 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~nondet2, main_#t~mem4, main_#t~post5, main_#t~mem3, main_~p~0.base, main_~p~0.offset;call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset;call write~int(main_#t~nondet2, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet2; 8#L16-3true [2018-11-28 11:37:45,871 INFO L796 eck$LassoCheckResult]: Loop: 8#L16-3true call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4); 4#L16-1true assume !!(main_#t~mem3 >= 0);havoc main_#t~mem3;call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem4;havoc main_#t~post5; 8#L16-3true [2018-11-28 11:37:45,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:45,876 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 11:37:45,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:45,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:45,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:45,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:45,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:45,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:45,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-11-28 11:37:45,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:45,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:45,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:45,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:45,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:45,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:45,981 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-28 11:37:45,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:45,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:45,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:45,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:45,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:46,176 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:37:46,177 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:37:46,177 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:37:46,177 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:37:46,178 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:37:46,178 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:37:46,178 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:37:46,178 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:37:46,178 INFO L131 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-11-28 11:37:46,178 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:37:46,178 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:37:46,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:37:46,459 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:37:46,464 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:37:46,465 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 [2018-11-28 11:37:46,467 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,467 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:37:46,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,468 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,470 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:37:46,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:37:46,472 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,472 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 [2018-11-28 11:37:46,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:37:46,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,474 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,474 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:37:46,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:37:46,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,475 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 [2018-11-28 11:37:46,476 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,476 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:37:46,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,476 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,476 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,477 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:37:46,477 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:37:46,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,478 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 [2018-11-28 11:37:46,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,479 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,481 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:37:46,481 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:37:46,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,485 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 [2018-11-28 11:37:46,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:37:46,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,486 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,486 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:37:46,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:37:46,487 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,488 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 [2018-11-28 11:37:46,488 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,488 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:37:46,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,489 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,489 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:37:46,489 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:37:46,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,492 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 [2018-11-28 11:37:46,493 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,493 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 11:37:46,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,493 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,495 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 11:37:46,496 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:37:46,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,511 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 [2018-11-28 11:37:46,512 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,512 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,512 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,514 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:37:46,514 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:37:46,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:37:46,517 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 [2018-11-28 11:37:46,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:37:46,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:37:46,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:37:46,518 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:37:46,520 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:37:46,520 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:37:46,533 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:37:46,543 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:37:46,543 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-28 11:37:46,545 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:37:46,547 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 11:37:46,547 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:37:46,548 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2018-11-28 11:37:46,582 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-28 11:37:46,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:37:46,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:46,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:46,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:37:46,641 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 11:37:46,642 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2018-11-28 11:37:46,668 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2018-11-28 11:37:46,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 11:37:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 11:37:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2018-11-28 11:37:46,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-28 11:37:46,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:37:46,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 11:37:46,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:37:46,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 11:37:46,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:37:46,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2018-11-28 11:37:46,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:37:46,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2018-11-28 11:37:46,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:37:46,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:37:46,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:37:46,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:37:46,677 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:37:46,677 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:37:46,677 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:37:46,677 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:37:46,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:37:46,677 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:37:46,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:37:46,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:37:46 BoogieIcfgContainer [2018-11-28 11:37:46,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:37:46,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:37:46,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:37:46,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:37:46,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:45" (3/4) ... [2018-11-28 11:37:46,684 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:37:46,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:37:46,685 INFO L168 Benchmark]: Toolchain (without parser) took 1324.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -57.2 MB). Peak memory consumption was 92.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:46,686 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:37:46,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.43 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:46,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:37:46,687 INFO L168 Benchmark]: Boogie Preprocessor took 52.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -206.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:46,688 INFO L168 Benchmark]: RCFGBuilder took 194.21 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:46,688 INFO L168 Benchmark]: BuchiAutomizer took 912.02 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: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:46,689 INFO L168 Benchmark]: Witness Printer took 3.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:37:46,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.43 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -206.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.21 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 912.02 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: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital101 mio100 ax100 hnf100 lsp94 ukn69 mio100 lsp45 div100 bol100 ite100 ukn100 eq153 hnf91 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...