./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:33:22,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:33:22,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:33:22,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:33:22,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:33:22,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:33:22,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:33:22,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:33:22,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:33:22,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:33:22,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:33:22,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:33:22,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:33:22,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:33:22,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:33:22,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:33:22,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:33:22,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:33:22,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:33:22,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:33:22,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:33:22,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:33:22,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:33:22,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:33:22,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:33:22,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:33:22,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:33:22,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:33:22,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:33:22,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:33:22,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:33:22,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:33:22,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:33:22,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:33:22,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:33:22,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:33:22,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:33:22,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:33:22,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:33:22,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:33:22,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:33:22,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 04:33:22,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:33:22,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:33:22,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:33:22,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:33:22,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:33:22,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:33:22,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:33:22,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:33:22,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:33:22,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:33:22,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:33:22,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:33:22,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:33:22,224 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:33:22,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:33:22,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:33:22,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:33:22,225 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:33:22,225 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:33:22,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:33:22,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:33:22,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:33:22,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:33:22,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:33:22,226 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:33:22,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:33:22,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:33:22,227 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_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2021-11-21 04:33:22,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:33:22,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:33:22,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:33:22,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:33:22,499 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:33:22,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-21 04:33:22,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/data/64db651ad/950db6af700347239d9d7f9aedbaeeb1/FLAGa630dadf7 [2021-11-21 04:33:23,044 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:33:23,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-21 04:33:23,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/data/64db651ad/950db6af700347239d9d7f9aedbaeeb1/FLAGa630dadf7 [2021-11-21 04:33:23,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/data/64db651ad/950db6af700347239d9d7f9aedbaeeb1 [2021-11-21 04:33:23,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:33:23,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:33:23,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:33:23,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:33:23,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:33:23,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b7428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23, skipping insertion in model container [2021-11-21 04:33:23,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:33:23,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:33:23,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:33:23,656 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:33:23,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:33:23,689 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:33:23,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23 WrapperNode [2021-11-21 04:33:23,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:33:23,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:33:23,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:33:23,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:33:23,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,730 INFO L137 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-21 04:33:23,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:33:23,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:33:23,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:33:23,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:33:23,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:33:23,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:33:23,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:33:23,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:33:23,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:23" (1/1) ... [2021-11-21 04:33:23,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:33:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:33:23,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:33:23,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:33:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:33:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:33:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:33:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:33:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:33:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:33:23,936 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:33:23,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:33:24,094 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:33:24,132 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:33:24,132 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 04:33:24,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:33:24 BoogieIcfgContainer [2021-11-21 04:33:24,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:33:24,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:33:24,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:33:24,145 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:33:24,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:33:24" (1/1) ... [2021-11-21 04:33:24,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:33:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2021-11-21 04:33:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2021-11-21 04:33:24,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 04:33:24,212 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-21 04:33:24,226 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-21 04:33:24,252 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:33:24,272 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:33:24,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:33:24 ImpRootNode [2021-11-21 04:33:24,272 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:33:24,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:33:24,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:33:24,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:33:24,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:33:24" (3/4) ... [2021-11-21 04:33:24,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 04:33:24,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-21 04:33:24,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 04:33:24,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 04:33:24,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 04:33:24,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:33:24,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:33:24,344 INFO L158 Benchmark]: Toolchain (without parser) took 891.27ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 81.0MB in the end (delta: 21.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-21 04:33:24,345 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 127.9MB. Free memory was 81.4MB in the beginning and 81.3MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:33:24,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.57ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 103.3MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 04:33:24,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.96ms. Allocated memory is still 127.9MB. Free memory was 103.3MB in the beginning and 101.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:33:24,348 INFO L158 Benchmark]: Boogie Preprocessor took 44.89ms. Allocated memory is still 127.9MB. Free memory was 101.6MB in the beginning and 100.8MB in the end (delta: 850.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:33:24,349 INFO L158 Benchmark]: RCFGBuilder took 354.92ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 88.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 04:33:24,350 INFO L158 Benchmark]: CodeCheck took 137.09ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 83.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 04:33:24,351 INFO L158 Benchmark]: Witness Printer took 69.80ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 81.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:33:24,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 127.9MB. Free memory was 81.4MB in the beginning and 81.3MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.57ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 103.3MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.96ms. Allocated memory is still 127.9MB. Free memory was 103.3MB in the beginning and 101.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.89ms. Allocated memory is still 127.9MB. Free memory was 101.6MB in the beginning and 100.8MB in the end (delta: 850.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.92ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 88.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 137.09ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 83.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 69.80ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 81.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 04:33:24,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_292a2e7e-7c1e-4ca7-b86c-fe7a63eb9807/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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