./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/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 f2a8d3919c0496882213752e07135061fdbafdf6 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:17,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:17,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:17,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:17,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:17,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:17,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:17,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:17,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:17,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:17,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:17,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:17,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:17,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:17,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:17,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:17,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:18,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:18,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:18,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:18,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:18,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:18,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:18,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:18,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:18,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:18,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:18,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:18,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:18,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:18,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:18,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:18,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:18,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:18,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:18,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:18,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:18,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:18,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:18,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:18,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:18,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:58:18,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:18,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:18,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:18,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:18,031 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:18,032 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:18,032 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:18,032 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:18,032 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:18,032 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:18,032 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:18,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:18,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:18,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:18,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:18,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:18,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:18,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:18,035 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:18,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:18,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:18,035 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:18,036 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:18,036 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/working_dir_23939e67-0340-4076-8f11-81aa640849e5/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 -> f2a8d3919c0496882213752e07135061fdbafdf6 [2019-10-22 08:58:18,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:18,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:18,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:18,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:18,074 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:18,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2019-10-22 08:58:18,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/data/e50511e73/f5a7b1ca0e7c4b15877d1f87124d9f99/FLAGe7046fe10 [2019-10-22 08:58:18,507 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:18,508 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2019-10-22 08:58:18,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/data/e50511e73/f5a7b1ca0e7c4b15877d1f87124d9f99/FLAGe7046fe10 [2019-10-22 08:58:18,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/bin/uautomizer/data/e50511e73/f5a7b1ca0e7c4b15877d1f87124d9f99 [2019-10-22 08:58:18,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:18,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:18,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:18,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:18,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:18,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73af0c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18, skipping insertion in model container [2019-10-22 08:58:18,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:18,564 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:18,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:18,720 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:18,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:18,815 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:18,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18 WrapperNode [2019-10-22 08:58:18,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:18,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:18,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:18,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:18,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:18,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:18,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:18,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:18,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... [2019-10-22 08:58:18,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:18,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:18,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:18,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:18,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23939e67-0340-4076-8f11-81aa640849e5/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 [2019-10-22 08:58:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:58:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:58:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:19,054 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:19,054 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:58:19,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:19 BoogieIcfgContainer [2019-10-22 08:58:19,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:19,056 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:19,056 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:19,059 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:19,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:19,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:18" (1/3) ... [2019-10-22 08:58:19,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ba92aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:19, skipping insertion in model container [2019-10-22 08:58:19,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:19,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:18" (2/3) ... [2019-10-22 08:58:19,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ba92aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:19, skipping insertion in model container [2019-10-22 08:58:19,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:19,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:19" (3/3) ... [2019-10-22 08:58:19,063 INFO L371 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2019-10-22 08:58:19,104 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:19,104 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:19,104 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:19,105 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:19,105 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:19,105 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:19,105 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:19,105 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:19,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:58:19,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:58:19,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:19,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:19,141 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:58:19,141 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:58:19,141 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:19,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-10-22 08:58:19,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:58:19,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:19,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:19,142 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:58:19,143 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:58:19,149 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~nondet2, main_#t~mem4, main_#t~post5, main_#t~mem3, main_~p~0.base, main_~p~0.offset;call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset;call write~int(main_#t~nondet2, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet2; 8#L16-3true [2019-10-22 08:58:19,150 INFO L793 eck$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~post5;havoc main_#t~mem4; 8#L16-3true [2019-10-22 08:58:19,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,155 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-10-22 08:58:19,162 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651718809] [2019-10-22 08:58:19,163 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,163 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,254 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:19,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-10-22 08:58:19,255 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,256 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021535353] [2019-10-22 08:58:19,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,270 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:19,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:19,271 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-10-22 08:58:19,271 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:19,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906948713] [2019-10-22 08:58:19,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:19,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:19,297 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:19,549 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-10-22 08:58:19,612 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:19,613 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:19,613 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:19,613 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:19,614 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:58:19,614 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:19,614 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:19,614 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:19,614 INFO L131 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-1.c_Iteration1_Lasso [2019-10-22 08:58:19,614 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:19,614 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:19,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:19,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:20,012 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:20,017 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:58:20,019 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 [2019-10-22 08:58:20,021 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:20,021 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:20,022 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:20,022 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:20,022 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:20,024 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:20,024 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:20,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:20,030 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 [2019-10-22 08:58:20,033 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:20,033 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:20,033 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:20,033 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:20,034 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:20,034 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:20,034 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:20,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:20,039 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 [2019-10-22 08:58:20,040 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:20,040 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:20,040 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:20,041 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:20,043 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:20,043 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:20,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:20,056 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 [2019-10-22 08:58:20,057 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:20,057 INFO L202 nArgumentSynthesizer]: 2 stem disjuncts [2019-10-22 08:58:20,057 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:20,057 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:20,060 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-10-22 08:58:20,060 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:20,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:20,105 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 [2019-10-22 08:58:20,106 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:20,106 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:20,106 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:20,106 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:20,108 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:20,108 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:20,130 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:58:20,138 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:58:20,138 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:58:20,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:58:20,142 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 08:58:20,143 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:58:20,143 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 [] [2019-10-22 08:58:20,152 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-10-22 08:58:20,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 08:58:20,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:20,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:20,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:20,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:58:20,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:20,230 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 [2019-10-22 08:58:20,231 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-10-22 08:58:20,271 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. [2019-10-22 08:58:20,272 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 [2019-10-22 08:58:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:58:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-10-22 08:58:20,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:58:20,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:20,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-10-22 08:58:20,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:20,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-10-22 08:58:20,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:20,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-10-22 08:58:20,278 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:20,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-10-22 08:58:20,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:20,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:20,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:20,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:20,283 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:20,283 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:20,283 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:20,283 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:20,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:20,284 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:20,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:58:20,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:20 BoogieIcfgContainer [2019-10-22 08:58:20,290 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:20,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:20,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:20,290 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:20,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:19" (3/4) ... [2019-10-22 08:58:20,294 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:20,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:20,296 INFO L168 Benchmark]: Toolchain (without parser) took 1762.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -89.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:20,296 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:20,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:20,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:20,298 INFO L168 Benchmark]: Boogie Preprocessor took 17.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:20,299 INFO L168 Benchmark]: RCFGBuilder took 191.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:20,299 INFO L168 Benchmark]: BuchiAutomizer took 1233.79 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: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:20,300 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:20,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1233.79 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: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 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 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: inital104 mio100 ax100 hnf100 lsp94 ukn70 mio100 lsp43 div100 bol100 ite100 ukn100 eq153 hnf91 smp92 dnf100 smp100 tf100 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 3 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...