./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC --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 072df04afae5ae28487e0b8208c52f13961dea34 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:43,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:43,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:43,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:43,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:43,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:43,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:43,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:43,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:43,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:43,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:43,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:43,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:43,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:43,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:43,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:43,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:43,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:44,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:44,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:44,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:44,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:44,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:44,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:44,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:44,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:44,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:44,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:44,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:44,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:44,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:44,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:44,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:44,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:44,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:44,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:44,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:44,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:44,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:44,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:44,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:44,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:32:44,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:44,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:44,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:44,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:44,087 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:44,087 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:32:44,088 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:32:44,088 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:32:44,088 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:32:44,088 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:32:44,089 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:32:44,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:44,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:32:44,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:44,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:44,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:32:44,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:32:44,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:32:44,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:44,092 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:32:44,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:44,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:32:44,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:44,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:44,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:44,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:44,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:44,094 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:32:44,095 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_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2021-10-11 00:32:44,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:44,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:44,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:44,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:44,479 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:44,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-10-11 00:32:44,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/data/6b00d13f0/7bf162e058fc43fc939c8768a3279e99/FLAG04063e936 [2021-10-11 00:32:45,215 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:45,219 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-10-11 00:32:45,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/data/6b00d13f0/7bf162e058fc43fc939c8768a3279e99/FLAG04063e936 [2021-10-11 00:32:45,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/data/6b00d13f0/7bf162e058fc43fc939c8768a3279e99 [2021-10-11 00:32:45,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:45,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:45,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:45,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:45,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:45,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b235e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45, skipping insertion in model container [2021-10-11 00:32:45,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:45,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:45,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:45,827 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:45,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:45,868 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:45,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45 WrapperNode [2021-10-11 00:32:45,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:45,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:45,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:45,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:45,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:45,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:45,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:45,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:45,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... [2021-10-11 00:32:45,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:45,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:45,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:45,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:45,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:32:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:32:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:32:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:32:46,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:46,286 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:32:46,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:46 BoogieIcfgContainer [2021-10-11 00:32:46,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:46,289 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:32:46,289 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:32:46,296 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:32:46,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:46,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:32:45" (1/3) ... [2021-10-11 00:32:46,299 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635bd335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:32:46, skipping insertion in model container [2021-10-11 00:32:46,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:46,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:45" (2/3) ... [2021-10-11 00:32:46,300 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@635bd335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:32:46, skipping insertion in model container [2021-10-11 00:32:46,300 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:46,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:46" (3/3) ... [2021-10-11 00:32:46,302 INFO L389 chiAutomizerObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices.c [2021-10-11 00:32:46,355 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:32:46,356 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:32:46,356 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:32:46,356 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:46,356 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:46,356 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:32:46,357 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:46,357 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:32:46,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2021-10-11 00:32:46,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:32:46,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:46,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:46,399 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:32:46,399 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:32:46,399 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:32:46,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2021-10-11 00:32:46,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:32:46,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:46,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:46,402 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:32:46,402 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:32:46,410 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~nondet0, main_#t~mem2, main_#t~nondet3, main_#t~mem1, main_~#a~0.base, main_~#a~0.offset;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4192);call write~int(main_#t~nondet0, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~nondet0; 4#L13-3true [2021-10-11 00:32:46,410 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true call main_#t~mem1 := read~int(main_~#a~0.base, 8 + main_~#a~0.offset, 4); 7#L13-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~#a~0.base, 8 + main_~#a~0.offset, 4);call write~int(main_#t~mem2 - 1, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~mem2;call write~int(main_#t~nondet3, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~nondet3; 4#L13-3true [2021-10-11 00:32:46,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:46,417 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-11 00:32:46,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:46,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398420200] [2021-10-11 00:32:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:46,558 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:46,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:46,610 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:46,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:46,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-10-11 00:32:46,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:46,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763567708] [2021-10-11 00:32:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:46,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:46,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:46,657 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:46,672 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-11 00:32:46,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:46,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448380469] [2021-10-11 00:32:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:46,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:46,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:46,737 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:46,980 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-10-11 00:32:47,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:32:47 BoogieIcfgContainer [2021-10-11 00:32:47,095 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:32:47,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:47,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:47,096 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:47,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:46" (3/4) ... [2021-10-11 00:32:47,100 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-11 00:32:47,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76066d3f-4ee0-4365-a6e6-e16859306ede/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:47,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:47,140 INFO L168 Benchmark]: Toolchain (without parser) took 1541.90 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 58.8 MB in the beginning and 99.2 MB in the end (delta: -40.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:47,141 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 74.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:47,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.30 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 75.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:47,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.97 ms. Allocated memory is still 98.6 MB. Free memory was 75.0 MB in the beginning and 73.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:47,143 INFO L168 Benchmark]: Boogie Preprocessor took 31.01 ms. Allocated memory is still 98.6 MB. Free memory was 73.8 MB in the beginning and 72.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:47,144 INFO L168 Benchmark]: RCFGBuilder took 332.94 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 62.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:47,145 INFO L168 Benchmark]: BuchiAutomizer took 806.41 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 62.2 MB in the beginning and 101.1 MB in the end (delta: -38.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:47,146 INFO L168 Benchmark]: Witness Printer took 42.77 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 99.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:47,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 74.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.30 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 75.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.97 ms. Allocated memory is still 98.6 MB. Free memory was 75.0 MB in the beginning and 73.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.01 ms. Allocated memory is still 98.6 MB. Free memory was 73.8 MB in the beginning and 72.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 332.94 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 62.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 806.41 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 62.2 MB in the beginning and 101.1 MB in the end (delta: -38.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * Witness Printer took 42.77 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 99.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 1 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 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c4d63da=25906, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@36bb25c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1f496398=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4467cd21=0, \result=0, a=0, NULL=1, a=2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L9] int a[1048]; [L11] a[2] = __VERIFIER_nondet_int() Loop: [L13] EXPR a[2] [L13] COND TRUE a[2] >= 0 [L14] EXPR a[2] [L14] a[2] = a[2] - 1 [L15] a[1+1] = __VERIFIER_nondet_int() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...