./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a93871a8dae316852c5fe296af5e1db1eea1d37 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:18:31,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:18:31,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:18:31,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:18:31,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:18:31,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:18:31,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:18:31,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:18:31,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:18:31,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:18:31,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:18:31,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:18:31,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:18:31,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:18:31,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:18:31,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:18:31,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:18:31,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:18:31,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:18:31,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:18:31,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:18:31,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:18:31,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:18:31,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:18:31,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:18:31,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:18:31,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:18:31,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:18:31,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:18:32,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:18:32,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:18:32,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:18:32,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:18:32,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:18:32,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:18:32,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:18:32,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:18:32,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:18:32,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:18:32,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:18:32,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:18:32,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:18:32,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:18:32,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:18:32,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:18:32,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:18:32,016 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:18:32,016 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:18:32,016 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:18:32,016 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:18:32,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:18:32,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:18:32,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:18:32,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:18:32,019 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:18:32,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:18:32,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:18:32,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:18:32,019 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:18:32,020 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:18:32,020 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2019-12-07 17:18:32,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:18:32,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:18:32,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:18:32,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:18:32,130 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:18:32,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-12-07 17:18:32,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/data/529dac324/322cad3c67374fc59f57e08400874b14/FLAGbf1e73c5f [2019-12-07 17:18:32,585 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:18:32,585 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-12-07 17:18:32,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/data/529dac324/322cad3c67374fc59f57e08400874b14/FLAGbf1e73c5f [2019-12-07 17:18:32,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/data/529dac324/322cad3c67374fc59f57e08400874b14 [2019-12-07 17:18:32,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:18:32,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:18:32,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:18:32,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:18:32,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:18:32,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23694845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32, skipping insertion in model container [2019-12-07 17:18:32,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:18:32,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:18:32,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:18:32,757 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:18:32,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:18:32,779 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:18:32,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32 WrapperNode [2019-12-07 17:18:32,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:18:32,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:18:32,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:18:32,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:18:32,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:18:32,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:18:32,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:18:32,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:18:32,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... [2019-12-07 17:18:32,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:18:32,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:18:32,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:18:32,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:18:32,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:18:32,955 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:18:32,955 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:18:32,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:18:32 BoogieIcfgContainer [2019-12-07 17:18:32,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:18:32,956 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:18:32,956 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:18:32,958 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:18:32,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:18:32,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:18:32" (1/3) ... [2019-12-07 17:18:32,959 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7329d504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:18:32, skipping insertion in model container [2019-12-07 17:18:32,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:18:32,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:18:32" (2/3) ... [2019-12-07 17:18:32,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7329d504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:18:32, skipping insertion in model container [2019-12-07 17:18:32,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:18:32,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:18:32" (3/3) ... [2019-12-07 17:18:32,961 INFO L371 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-2.c [2019-12-07 17:18:32,989 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:18:32,989 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:18:32,989 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:18:32,989 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:18:32,989 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:18:32,989 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:18:32,989 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:18:32,989 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:18:32,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 17:18:33,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:18:33,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:18:33,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:18:33,014 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:18:33,015 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:18:33,015 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:18:33,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 17:18:33,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:18:33,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:18:33,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:18:33,016 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:18:33,016 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:18:33,020 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~nondet1, main_#t~mem3, main_#t~post4, main_#t~mem2, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(main_#t~nondet1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet1; 6#L15-3true [2019-12-07 17:18:33,021 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4); 10#L15-1true assume !!(main_#t~mem2 >= 0);havoc main_#t~mem2;call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post4 := main_#t~mem3;call write~int(main_#t~post4 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem3;havoc main_#t~post4; 6#L15-3true [2019-12-07 17:18:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:18:33,024 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 17:18:33,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:18:33,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769456102] [2019-12-07 17:18:33,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:18:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:18:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:18:33,111 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:18:33,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:18:33,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-12-07 17:18:33,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:18:33,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078373750] [2019-12-07 17:18:33,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:18:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:18:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:18:33,125 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:18:33,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:18:33,126 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 17:18:33,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:18:33,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637513903] [2019-12-07 17:18:33,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:18:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:18:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:18:33,147 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:18:33,316 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:18:33,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:18:33,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:18:33,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:18:33,317 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:18:33,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:18:33,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:18:33,317 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-2.c_Iteration1_Lasso [2019-12-07 17:18:33,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:18:33,317 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:18:33,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:18:33,555 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:18:33,558 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,562 INFO L120 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 [2019-12-07 17:18:33,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:18:33,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:18:33,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:18:33,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,573 INFO L120 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 [2019-12-07 17:18:33,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:18:33,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:18:33,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:18:33,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,581 INFO L120 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 [2019-12-07 17:18:33,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:18:33,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:18:33,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:18:33,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,590 INFO L120 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 [2019-12-07 17:18:33,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:18:33,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:18:33,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,601 INFO L120 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 [2019-12-07 17:18:33,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:18:33,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:18:33,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:18:33,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,610 INFO L120 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 [2019-12-07 17:18:33,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:18:33,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:18:33,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,622 INFO L120 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 [2019-12-07 17:18:33,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:18:33,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:18:33,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,635 INFO L120 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 [2019-12-07 17:18:33,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:18:33,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:18:33,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:18:33,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:18:33,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:18:33,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:18:33,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:18:33,652 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 17:18:33,652 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f35f971d-825d-417a-b1d8-3dcedb0459ae/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:18:33,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:18:33,662 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:18:33,662 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:18:33,663 INFO L512 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 [] [2019-12-07 17:18:33,671 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 17:18:33,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:18:33,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:18:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:18:33,697 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:18:33,698 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:18:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:18:33,708 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:18:33,709 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:18:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:18:33,733 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 [2019-12-07 17:18:33,734 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-12-07 17:18:33,769 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. [2019-12-07 17:18:33,769 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 [2019-12-07 17:18:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:18:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 17:18:33,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 17:18:33,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:18:33,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 17:18:33,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:18:33,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 17:18:33,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:18:33,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-12-07 17:18:33,775 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:18:33,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-12-07 17:18:33,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:18:33,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:18:33,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:18:33,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:18:33,778 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:18:33,778 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:18:33,778 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:18:33,779 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:18:33,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:18:33,779 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:18:33,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:18:33,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:18:33 BoogieIcfgContainer [2019-12-07 17:18:33,783 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:18:33,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:18:33,784 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:18:33,784 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:18:33,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:18:32" (3/4) ... [2019-12-07 17:18:33,787 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:18:33,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:18:33,789 INFO L168 Benchmark]: Toolchain (without parser) took 1187.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 945.1 MB in the beginning and 922.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 116.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:18:33,789 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:18:33,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:18:33,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:18:33,791 INFO L168 Benchmark]: Boogie Preprocessor took 12.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:18:33,791 INFO L168 Benchmark]: RCFGBuilder took 142.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:18:33,792 INFO L168 Benchmark]: BuchiAutomizer took 827.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 922.8 MB in the end (delta: 149.5 MB). Peak memory consumption was 149.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:18:33,792 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 1.1 GB. Free memory is still 922.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:18:33,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 142.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 827.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 922.8 MB in the end (delta: 149.5 MB). Peak memory consumption was 149.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.69 ms. Allocated memory is still 1.1 GB. Free memory is still 922.8 MB. 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 0.6s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp93 ukn71 mio100 lsp37 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...