./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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 0.2.0-69874e2 [2020-12-01 15:59:00,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:59:00,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:59:00,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:59:00,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:59:00,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:59:00,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:59:00,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:59:00,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:59:00,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:59:00,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:59:00,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:59:00,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:59:00,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:59:00,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:59:00,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:59:00,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:59:00,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:59:00,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:59:00,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:59:00,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:59:00,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:59:00,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:59:00,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:59:00,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:59:00,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:59:00,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:59:00,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:59:00,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:59:00,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:59:00,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:59:00,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:59:00,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:59:00,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:59:00,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:59:00,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:59:00,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:59:00,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:59:00,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:59:00,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:59:00,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:59:00,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:59:00,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:59:00,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:59:00,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:59:00,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:59:00,312 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:59:00,312 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:59:00,313 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:59:00,313 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:59:00,313 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:59:00,313 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:59:00,315 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:59:00,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:59:00,315 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:59:00,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:59:00,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:59:00,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:59:00,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:59:00,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:59:00,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:59:00,317 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:59:00,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:59:00,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:59:00,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:59:00,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:59:00,318 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:59:00,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:59:00,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:59:00,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:59:00,320 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:59:00,322 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:59:00,322 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2a8d3919c0496882213752e07135061fdbafdf6 [2020-12-01 15:59:00,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:59:00,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:59:00,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:59:00,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:59:00,673 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:59:00,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-12-01 15:59:00,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/data/f35a0095b/3ee532b04f9543118befae5cb97ca537/FLAG6301f3b89 [2020-12-01 15:59:01,251 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:59:01,251 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-12-01 15:59:01,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/data/f35a0095b/3ee532b04f9543118befae5cb97ca537/FLAG6301f3b89 [2020-12-01 15:59:01,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/data/f35a0095b/3ee532b04f9543118befae5cb97ca537 [2020-12-01 15:59:01,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:59:01,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:59:01,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:59:01,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:59:01,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:59:01,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae1b254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01, skipping insertion in model container [2020-12-01 15:59:01,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:59:01,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:59:01,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:59:01,873 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:59:01,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:59:01,925 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:59:01,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01 WrapperNode [2020-12-01 15:59:01,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:59:01,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:59:01,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:59:01,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:59:01,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:59:01,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:59:01,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:59:01,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:59:01,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... [2020-12-01 15:59:01,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:59:01,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:59:01,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:59:01,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:59:01,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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 [2020-12-01 15:59:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:59:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:59:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:59:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:59:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:59:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:59:02,272 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:59:02,273 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 15:59:02,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:59:02 BoogieIcfgContainer [2020-12-01 15:59:02,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:59:02,276 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:59:02,276 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:59:02,280 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:59:02,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:59:02,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:59:01" (1/3) ... [2020-12-01 15:59:02,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79282ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:59:02, skipping insertion in model container [2020-12-01 15:59:02,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:59:02,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:59:01" (2/3) ... [2020-12-01 15:59:02,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79282ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:59:02, skipping insertion in model container [2020-12-01 15:59:02,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:59:02,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:59:02" (3/3) ... [2020-12-01 15:59:02,289 INFO L389 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2020-12-01 15:59:02,334 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:59:02,334 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:59:02,335 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:59:02,335 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:59:02,335 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:59:02,335 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:59:02,335 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:59:02,336 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:59:02,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-12-01 15:59:02,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-12-01 15:59:02,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:59:02,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:59:02,375 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:59:02,376 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 15:59:02,376 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:59:02,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-12-01 15:59:02,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-12-01 15:59:02,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:59:02,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:59:02,378 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:59:02,378 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 15:59:02,386 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 [2020-12-01 15:59:02,387 INFO L796 eck$LassoCheckResult]: Loop: 8#L16-3true call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4); 4#L16-1true assume !!(main_#t~mem3 >= 0);havoc main_#t~mem3;call main_#t~mem4 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem4;havoc main_#t~post5; 8#L16-3true [2020-12-01 15:59:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:59:02,393 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 15:59:02,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:59:02,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258547054] [2020-12-01 15:59:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:59:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:59:02,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:59:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:59:02,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:59:02,546 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:59:02,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:59:02,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-12-01 15:59:02,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:59:02,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2420518] [2020-12-01 15:59:02,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:59:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:59:02,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:59:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:59:02,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:59:02,596 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:59:02,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:59:02,604 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-12-01 15:59:02,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:59:02,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143838066] [2020-12-01 15:59:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:59:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:59:02,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:59:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:59:02,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:59:02,675 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:59:02,942 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-01 15:59:03,023 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:59:03,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:59:03,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:59:03,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:59:03,024 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:59:03,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:59:03,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:59:03,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:59:03,025 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-1.c_Iteration1_Lasso [2020-12-01 15:59:03,025 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:59:03,026 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:59:03,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,199 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-01 15:59:03,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:59:03,545 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:59:03,549 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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) [2020-12-01 15:59:03,566 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 [2020-12-01 15:59:03,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:59:03,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:59:03,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:59:03,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:59:03,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:59:03,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:59:03,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:59:03,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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) [2020-12-01 15:59:03,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:59:03,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:59:03,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:59:03,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:59:03,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:59:03,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:59:03,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:59:03,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:59:03,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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) [2020-12-01 15:59:03,676 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 [2020-12-01 15:59:03,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:59:03,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:59:03,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:59:03,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:59:03,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:59:03,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:59:03,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:59:03,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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 [2020-12-01 15:59:03,731 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 [2020-12-01 15:59:03,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:59:03,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:59:03,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:59:03,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:59:03,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:59:03,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:59:03,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/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 [2020-12-01 15:59:03,798 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 [2020-12-01 15:59:03,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:59:03,800 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-12-01 15:59:03,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:59:03,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:59:03,814 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-12-01 15:59:03,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:59:03,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:59:03,883 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 [2020-12-01 15:59:03,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:59:03,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:59:03,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:59:03,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:59:03,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:59:03,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:59:03,913 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:59:03,927 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-12-01 15:59:03,927 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_8b42050c-fbfc-4a90-a5c0-1e019e80e941/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:59:03,937 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:59:03,961 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:59:03,961 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:59:03,962 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 [] [2020-12-01 15:59:04,011 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 15:59:04,026 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:59:04,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:59:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:59:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:59:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:59:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:59:04,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 15:59:04,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:59:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:59:04,148 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 [2020-12-01 15:59:04,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2020-12-01 15:59:04,222 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2020-12-01 15:59:04,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-12-01 15:59:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-12-01 15:59:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-12-01 15:59:04,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2020-12-01 15:59:04,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:59:04,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2020-12-01 15:59:04,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:59:04,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2020-12-01 15:59:04,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:59:04,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2020-12-01 15:59:04,237 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:59:04,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2020-12-01 15:59:04,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:59:04,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:59:04,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:59:04,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:59:04,244 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:59:04,244 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:59:04,244 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:59:04,244 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:59:04,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:59:04,245 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:59:04,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:59:04,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:59:04 BoogieIcfgContainer [2020-12-01 15:59:04,252 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:59:04,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:59:04,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:59:04,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:59:04,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:59:02" (3/4) ... [2020-12-01 15:59:04,260 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:59:04,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:59:04,264 INFO L168 Benchmark]: Toolchain (without parser) took 2641.47 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 91.0 MB in the beginning and 83.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:59:04,265 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory was 74.2 MB in the beginning and 74.2 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:59:04,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.89 ms. Allocated memory is still 115.3 MB. Free memory was 90.7 MB in the beginning and 92.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:59:04,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 115.3 MB. Free memory was 92.0 MB in the beginning and 90.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:59:04,272 INFO L168 Benchmark]: Boogie Preprocessor took 21.68 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 89.9 MB in the end (delta: 994.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:59:04,273 INFO L168 Benchmark]: RCFGBuilder took 290.82 ms. Allocated memory is still 115.3 MB. Free memory was 89.9 MB in the beginning and 79.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:59:04,275 INFO L168 Benchmark]: BuchiAutomizer took 1975.92 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 79.7 MB in the beginning and 83.0 MB in the end (delta: -3.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:59:04,283 INFO L168 Benchmark]: Witness Printer took 5.79 ms. Allocated memory is still 144.7 MB. Free memory is still 83.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:59:04,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 115.3 MB. Free memory was 74.2 MB in the beginning and 74.2 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.89 ms. Allocated memory is still 115.3 MB. Free memory was 90.7 MB in the beginning and 92.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 115.3 MB. Free memory was 92.0 MB in the beginning and 90.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.68 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 89.9 MB in the end (delta: 994.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 290.82 ms. Allocated memory is still 115.3 MB. Free memory was 89.9 MB in the beginning and 79.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1975.92 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 79.7 MB in the beginning and 83.0 MB in the end (delta: -3.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.79 ms. Allocated memory is still 144.7 MB. Free memory is still 83.0 MB. There was no memory consumed. Max. memory is 16.1 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 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: inital100 mio100 ax100 hnf100 lsp93 ukn71 mio100 lsp37 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms 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...