./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:48:18,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:48:18,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:48:19,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:48:19,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:48:19,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:48:19,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:48:19,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:48:19,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:48:19,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:48:19,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:48:19,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:48:19,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:48:19,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:48:19,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:48:19,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:48:19,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:48:19,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:48:19,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:48:19,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:48:19,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:48:19,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:48:19,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:48:19,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:48:19,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:48:19,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:48:19,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:48:19,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:48:19,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:48:19,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:48:19,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:48:19,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:48:19,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:48:19,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:48:19,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:48:19,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:48:19,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:48:19,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:48:19,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:48:19,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:48:19,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:48:19,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-28 22:48:19,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:48:19,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:48:19,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:48:19,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:48:19,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:48:19,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:48:19,182 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:48:19,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:48:19,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:48:19,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:48:19,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:48:19,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:48:19,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:48:19,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:48:19,185 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-28 22:48:19,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:48:19,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:48:19,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:48:19,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:48:19,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:48:19,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:48:19,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:48:19,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:48:19,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:48:19,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:48:19,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:48:19,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:48:19,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:48:19,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:48:19,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2021-10-28 22:48:19,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:48:19,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:48:19,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:48:19,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:48:19,508 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:48:19,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-10-28 22:48:19,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/data/d462219a1/87c8ff95c8024b53b1218b06bf847397/FLAG619a2ca39 [2021-10-28 22:48:20,080 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:48:20,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-10-28 22:48:20,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/data/d462219a1/87c8ff95c8024b53b1218b06bf847397/FLAG619a2ca39 [2021-10-28 22:48:20,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/data/d462219a1/87c8ff95c8024b53b1218b06bf847397 [2021-10-28 22:48:20,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:48:20,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:48:20,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:48:20,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:48:20,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:48:20,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a9df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20, skipping insertion in model container [2021-10-28 22:48:20,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:48:20,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:48:20,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:48:20,703 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:48:20,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:48:20,732 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:48:20,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20 WrapperNode [2021-10-28 22:48:20,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:48:20,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:48:20,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:48:20,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:48:20,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:48:20,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:48:20,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:48:20,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:48:20,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:48:20,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:48:20,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:48:20,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:48:20,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (1/1) ... [2021-10-28 22:48:20,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:48:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:48:20,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:48:20,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:48:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:48:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:48:21,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:48:21,048 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 22:48:21,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:21 BoogieIcfgContainer [2021-10-28 22:48:21,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:48:21,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:48:21,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:48:21,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:48:21,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:48:20" (1/3) ... [2021-10-28 22:48:21,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3af831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:48:21, skipping insertion in model container [2021-10-28 22:48:21,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:20" (2/3) ... [2021-10-28 22:48:21,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3af831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:48:21, skipping insertion in model container [2021-10-28 22:48:21,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:21" (3/3) ... [2021-10-28 22:48:21,062 INFO L111 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-10-28 22:48:21,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:48:21,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-28 22:48:21,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3af831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:48:21, skipping insertion in model container [2021-10-28 22:48:21,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:48:21,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:48:21,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:48:21,071 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:48:21,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:21" (3/3) ... [2021-10-28 22:48:21,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:48:21,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 22:48:21,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:48:21,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:48:21,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:48:21,140 INFO L168 Benchmark]: Toolchain (without parser) took 656.22 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 48.4 MB in the beginning and 89.9 MB in the end (delta: -41.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:48:21,143 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 64.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:48:21,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.61 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 48.3 MB in the beginning and 103.9 MB in the end (delta: -55.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:21,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.67 ms. Allocated memory is still 125.8 MB. Free memory was 103.9 MB in the beginning and 102.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:48:21,148 INFO L168 Benchmark]: Boogie Preprocessor took 19.54 ms. Allocated memory is still 125.8 MB. Free memory was 102.1 MB in the beginning and 101.8 MB in the end (delta: 345.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:21,149 INFO L168 Benchmark]: RCFGBuilder took 261.63 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 93.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:21,150 INFO L168 Benchmark]: TraceAbstraction took 16.92 ms. Allocated memory is still 125.8 MB. Free memory was 93.4 MB in the beginning and 92.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:21,151 INFO L168 Benchmark]: Witness Printer took 66.72 ms. Allocated memory is still 125.8 MB. Free memory was 92.2 MB in the beginning and 89.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:21,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 64.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.61 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 48.3 MB in the beginning and 103.9 MB in the end (delta: -55.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.67 ms. Allocated memory is still 125.8 MB. Free memory was 103.9 MB in the beginning and 102.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.54 ms. Allocated memory is still 125.8 MB. Free memory was 102.1 MB in the beginning and 101.8 MB in the end (delta: 345.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 261.63 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 93.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16.92 ms. Allocated memory is still 125.8 MB. Free memory was 93.4 MB in the beginning and 92.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 66.72 ms. Allocated memory is still 125.8 MB. Free memory was 92.2 MB in the beginning and 89.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-28 22:48:21,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7228b0c-3e8f-48c4-b75a-872b117453d6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...