./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU --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 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:59:57,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:59:57,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:59:57,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:59:57,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:59:57,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:59:57,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:59:57,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:59:57,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:59:57,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:59:57,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:59:57,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:59:57,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:59:57,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:59:57,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:59:57,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:59:57,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:59:57,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:59:57,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:59:57,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:59:57,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:59:57,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:59:57,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:59:57,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:59:57,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:59:57,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:59:57,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:59:57,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:59:57,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:59:57,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:59:57,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:59:57,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:59:57,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:59:57,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:59:57,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:59:57,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:59:57,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:59:57,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:59:57,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:59:57,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:59:57,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:59:57,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-11-02 22:59:57,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:59:57,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:59:57,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:59:57,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:59:57,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:59:57,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:59:57,223 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:59:57,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:59:57,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:59:57,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:59:57,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:59:57,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:59:57,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:59:57,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:59:57,225 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-02 22:59:57,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:59:57,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:59:57,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:59:57,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:59:57,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:59:57,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:59:57,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:59:57,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:59:57,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:59:57,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:59:57,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:59:57,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:59:57,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:59:57,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:59:57,230 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_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2021-11-02 22:59:57,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:59:57,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:59:57,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:59:57,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:59:57,546 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:59:57,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-11-02 22:59:57,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/data/37fc45812/7317c51d9ec749d8a597b9f2f6549395/FLAG5cbbff201 [2021-11-02 22:59:58,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:59:58,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-11-02 22:59:58,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/data/37fc45812/7317c51d9ec749d8a597b9f2f6549395/FLAG5cbbff201 [2021-11-02 22:59:58,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/data/37fc45812/7317c51d9ec749d8a597b9f2f6549395 [2021-11-02 22:59:58,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:59:58,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:59:58,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:59:58,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:59:58,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:59:58,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106d36d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58, skipping insertion in model container [2021-11-02 22:59:58,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:59:58,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:59:58,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:59:58,683 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:59:58,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:59:58,707 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:59:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58 WrapperNode [2021-11-02 22:59:58,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:59:58,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:59:58,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:59:58,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:59:58,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:59:58,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:59:58,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:59:58,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:59:58,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:59:58,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:59:58,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:59:58,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:59:58,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (1/1) ... [2021-11-02 22:59:58,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:59:58,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:59:58,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:59:58,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:59:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:59:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:59:58,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:59:58,998 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-02 22:59:59,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:59:59 BoogieIcfgContainer [2021-11-02 22:59:59,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:59:59,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:59:59,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:59:59,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:59:59,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:59:58" (1/3) ... [2021-11-02 22:59:59,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515739fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:59:59, skipping insertion in model container [2021-11-02 22:59:59,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:59:58" (2/3) ... [2021-11-02 22:59:59,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515739fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:59:59, skipping insertion in model container [2021-11-02 22:59:59,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:59:59" (3/3) ... [2021-11-02 22:59:59,014 INFO L111 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2021-11-02 22:59:59,019 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:59:59,020 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-02 22:59:59,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515739fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:59:59, skipping insertion in model container [2021-11-02 22:59:59,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:59:59,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:59:59,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:59:59,025 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:59:59,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:59:59" (3/3) ... [2021-11-02 22:59:59,032 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:59:59,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-02 22:59:59,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-02 22:59:59,079 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:59:59,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:59:59,081 INFO L168 Benchmark]: Toolchain (without parser) took 637.15 ms. Allocated memory is still 104.9 MB. Free memory was 65.4 MB in the beginning and 67.1 MB in the end (delta: -1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:59:59,081 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory was 81.5 MB in the beginning and 81.5 MB in the end (delta: 55.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:59:59,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.75 ms. Allocated memory is still 104.9 MB. Free memory was 65.2 MB in the beginning and 80.5 MB in the end (delta: -15.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:59:59,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.35 ms. Allocated memory is still 104.9 MB. Free memory was 80.5 MB in the beginning and 79.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:59:59,083 INFO L168 Benchmark]: Boogie Preprocessor took 18.66 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 78.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:59:59,084 INFO L168 Benchmark]: RCFGBuilder took 244.22 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 70.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:59:59,085 INFO L168 Benchmark]: TraceAbstraction took 18.06 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 69.2 MB in the end (delta: 919.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:59:59,085 INFO L168 Benchmark]: Witness Printer took 54.60 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 67.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:59:59,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory was 81.5 MB in the beginning and 81.5 MB in the end (delta: 55.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 261.75 ms. Allocated memory is still 104.9 MB. Free memory was 65.2 MB in the beginning and 80.5 MB in the end (delta: -15.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.35 ms. Allocated memory is still 104.9 MB. Free memory was 80.5 MB in the beginning and 79.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.66 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 78.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 244.22 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 70.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18.06 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 69.2 MB in the end (delta: 919.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 54.60 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 67.1 MB in the end (delta: 2.1 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! [2021-11-02 22:59:59,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7011faae-2ba4-4389-965d-b7b01ccdf327/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE