./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/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 0.1.25-f470102 [2019-12-07 18:42:01,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:42:01,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:42:01,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:42:01,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:42:01,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:42:01,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:42:01,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:42:01,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:42:01,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:42:01,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:42:01,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:42:01,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:42:01,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:42:01,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:42:01,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:42:01,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:42:01,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:42:01,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:42:01,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:42:01,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:42:01,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:42:01,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:42:01,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:42:01,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:42:01,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:42:01,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:42:01,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:42:01,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:42:01,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:42:01,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:42:01,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:42:01,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:42:01,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:42:01,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:42:01,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:42:01,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:42:01,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:42:01,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:42:01,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:42:01,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:42:01,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:42:01,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:42:01,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:42:01,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:42:01,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:42:01,384 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:42:01,384 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:42:01,384 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:42:01,384 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:42:01,384 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:42:01,385 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:42:01,385 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:42:01,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:42:01,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:42:01,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:42:01,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:42:01,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:42:01,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:42:01,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:42:01,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:42:01,386 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:42:01,386 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:42:01,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:42:01,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:42:01,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:42:01,387 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:42:01,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:42:01,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:42:01,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:42:01,387 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:42:01,388 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:42:01,388 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_eba5494b-011f-487c-851b-476a84571683/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 [2019-12-07 18:42:01,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:42:01,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:42:01,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:42:01,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:42:01,513 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:42:01,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2019-12-07 18:42:01,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/data/269244673/25712fb41bc0405da3414e56c4e53f5b/FLAG151eccd17 [2019-12-07 18:42:01,886 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:42:01,886 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2019-12-07 18:42:01,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/data/269244673/25712fb41bc0405da3414e56c4e53f5b/FLAG151eccd17 [2019-12-07 18:42:01,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/bin/uautomizer/data/269244673/25712fb41bc0405da3414e56c4e53f5b [2019-12-07 18:42:01,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:42:01,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:42:01,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:42:01,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:42:01,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:42:01,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:42:01" (1/1) ... [2019-12-07 18:42:01,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3035c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:01, skipping insertion in model container [2019-12-07 18:42:01,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:42:01" (1/1) ... [2019-12-07 18:42:01,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:42:01,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:42:02,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:42:02,020 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:42:02,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:42:02,075 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:42:02,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02 WrapperNode [2019-12-07 18:42:02,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:42:02,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:42:02,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:42:02,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:42:02,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:42:02,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:42:02,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:42:02,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:42:02,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... [2019-12-07 18:42:02,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:42:02,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:42:02,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:42:02,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:42:02,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/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 18:42:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:42:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:42:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:42:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:42:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:42:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:42:02,256 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:42:02,256 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 18:42:02,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:42:02 BoogieIcfgContainer [2019-12-07 18:42:02,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:42:02,257 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:42:02,257 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:42:02,260 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:42:02,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:42:02,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:42:01" (1/3) ... [2019-12-07 18:42:02,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17574fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:42:02, skipping insertion in model container [2019-12-07 18:42:02,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:42:02,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:42:02" (2/3) ... [2019-12-07 18:42:02,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17574fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:42:02, skipping insertion in model container [2019-12-07 18:42:02,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:42:02,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:42:02" (3/3) ... [2019-12-07 18:42:02,263 INFO L371 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2019-12-07 18:42:02,291 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:42:02,291 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:42:02,291 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:42:02,291 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:42:02,291 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:42:02,291 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:42:02,291 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:42:02,291 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:42:02,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 18:42:02,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:42:02,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:42:02,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:42:02,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:42:02,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:42:02,318 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:42:02,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 18:42:02,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 18:42:02,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:42:02,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:42:02,319 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:42:02,319 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:42:02,324 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~nondet2, main_#t~mem4, main_#t~post5, main_#t~mem3, main_~p~0.base, main_~p~0.offset;call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset;call write~int(main_#t~nondet2, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet2; 8#L16-3true [2019-12-07 18:42:02,324 INFO L796 eck$LassoCheckResult]: Loop: 8#L16-3true call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4); 4#L16-1true assume !!(main_#t~mem3 >= 0);havoc main_#t~mem3;call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~post5;havoc main_#t~mem4; 8#L16-3true [2019-12-07 18:42:02,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:42:02,328 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 18:42:02,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:42:02,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195427169] [2019-12-07 18:42:02,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:42:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:42:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:42:02,418 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:42:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:42:02,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-12-07 18:42:02,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:42:02,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087951366] [2019-12-07 18:42:02,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:42:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:42:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:42:02,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:42:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:42:02,433 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 18:42:02,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:42:02,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756088429] [2019-12-07 18:42:02,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:42:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:42:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:42:02,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:42:02,612 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:42:02,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:42:02,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:42:02,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:42:02,613 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:42:02,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:42:02,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:42:02,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:42:02,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-1.c_Iteration1_Lasso [2019-12-07 18:42:02,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:42:02,614 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:42:02,626 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 18:42:02,631 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 18:42:02,705 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 18:42:02,707 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 18:42:02,708 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 18:42:02,711 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 18:42:02,713 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 18:42:02,715 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 18:42:02,882 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:42:02,885 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/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 18:42:02,889 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 18:42:02,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:42:02,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:42:02,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:42:02,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:42:02,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:42:02,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:42:02,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:42:02,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/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 18:42:02,901 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 18:42:02,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:42:02,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:42:02,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:42:02,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:42:02,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:42:02,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:42:02,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/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 18:42:02,914 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 18:42:02,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:42:02,915 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 18:42:02,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:42:02,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:42:02,920 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:42:02,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:42:02,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eba5494b-011f-487c-851b-476a84571683/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 18:42:02,931 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 18:42:02,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:42:02,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:42:02,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:42:02,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:42:02,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:42:02,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:42:02,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:42:02,947 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 18:42:02,948 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_eba5494b-011f-487c-851b-476a84571683/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 18:42:02,956 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:42:02,958 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:42:02,958 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:42:02,959 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 18:42:02,967 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 18:42:02,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:42:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:42:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:42:02,999 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:42:03,000 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:42:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:42:03,010 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:42:03,011 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:42:03,021 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 18:42:03,032 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 18:42:03,033 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-12-07 18:42:03,067 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 18:42:03,068 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 18:42:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:42:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 18:42:03,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 18:42:03,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:42:03,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 18:42:03,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:42:03,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 18:42:03,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:42:03,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-12-07 18:42:03,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:42:03,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-12-07 18:42:03,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:42:03,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:42:03,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:42:03,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:42:03,079 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:42:03,079 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:42:03,079 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:42:03,079 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:42:03,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:42:03,080 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:42:03,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:42:03,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:42:03 BoogieIcfgContainer [2019-12-07 18:42:03,085 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:42:03,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:42:03,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:42:03,086 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:42:03,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:42:02" (3/4) ... [2019-12-07 18:42:03,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:42:03,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:42:03,090 INFO L168 Benchmark]: Toolchain (without parser) took 1188.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.2 MB in the beginning and 980.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:42:03,091 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:42:03,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:42:03,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:42:03,092 INFO L168 Benchmark]: Boogie Preprocessor took 12.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:42:03,093 INFO L168 Benchmark]: RCFGBuilder took 145.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:42:03,093 INFO L168 Benchmark]: BuchiAutomizer took 827.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.2 MB in the end (delta: 134.6 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:42:03,093 INFO L168 Benchmark]: Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:42:03,096 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 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 827.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.2 MB in the end (delta: 134.6 MB). Peak memory consumption was 134.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 980.2 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 0.7s 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: 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: inital107 mio100 ax100 hnf100 lsp94 ukn71 mio100 lsp41 div100 bol100 ite100 ukn100 eq153 hnf91 smp92 dnf107 smp92 tf100 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms 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...