./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.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_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/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_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/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_32c44103-4ced-4eef-b16b-0038974c171b/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 53351ad8d14b05f9298a51fd20f91cb69ef0c97dbbbbdee54b66394b517fd726 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:34:56,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:34:56,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:34:56,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:34:56,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:34:56,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:34:56,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:34:56,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:34:56,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:34:56,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:34:56,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:34:56,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:34:56,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:34:56,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:34:56,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:34:56,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:34:56,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:34:56,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:34:56,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:34:56,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:34:56,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:34:56,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:34:56,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:34:56,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:34:56,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:34:56,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:34:56,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:34:56,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:34:56,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:34:56,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:34:56,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:34:56,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:34:56,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:34:56,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:34:56,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:34:56,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:34:56,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:34:56,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:34:56,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:34:56,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:34:56,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:34:56,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:34:56,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:34:56,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:34:56,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:34:56,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:34:56,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:34:56,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:34:56,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:34:56,501 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:34:56,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:34:56,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:34:56,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:34:56,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:34:56,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:34:56,504 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:34:56,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:34:56,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:34:56,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:34:56,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:34:56,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:34:56,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:34:56,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:34:56,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:34:56,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:34:56,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:34:56,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:34:56,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:34:56,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:34:56,508 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_32c44103-4ced-4eef-b16b-0038974c171b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53351ad8d14b05f9298a51fd20f91cb69ef0c97dbbbbdee54b66394b517fd726 [2021-11-21 05:34:56,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:34:56,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:34:56,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:34:56,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:34:56,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:34:56,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2021-11-21 05:34:56,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/data/90115cc63/774e8738de7e4c69ba949bd31b7f6988/FLAG30d6c0301 [2021-11-21 05:34:57,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:34:57,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2021-11-21 05:34:57,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/data/90115cc63/774e8738de7e4c69ba949bd31b7f6988/FLAG30d6c0301 [2021-11-21 05:34:57,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/data/90115cc63/774e8738de7e4c69ba949bd31b7f6988 [2021-11-21 05:34:57,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:34:57,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:34:57,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:34:57,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:34:57,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:34:57,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:34:57" (1/1) ... [2021-11-21 05:34:57,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dfcb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:57, skipping insertion in model container [2021-11-21 05:34:57,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:34:57" (1/1) ... [2021-11-21 05:34:57,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:34:57,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:34:58,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:34:58,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:34:58,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:34:58,082 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:34:58,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58 WrapperNode [2021-11-21 05:34:58,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:34:58,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:34:58,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:34:58,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:34:58,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,117 INFO L137 Inliner]: procedures = 9, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2021-11-21 05:34:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:34:58,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:34:58,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:34:58,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:34:58,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:34:58,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:34:58,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:34:58,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:34:58,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:34:58,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:34:58,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:34:58,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:34:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:34:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:34:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:34:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:34:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:34:58,309 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:34:58,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:34:58,403 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:34:58,427 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:34:58,428 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:34:58,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:34:58 BoogieIcfgContainer [2021-11-21 05:34:58,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:34:58,431 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:34:58,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:34:58,441 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:34:58,441 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:34:58" (1/1) ... [2021-11-21 05:34:58,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:34:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-21 05:34:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-21 05:34:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:34:58,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:58,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-21 05:34:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-21 05:34:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:34:58,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:58,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-21 05:34:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-21 05:34:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:34:59,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:59,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:59,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-21 05:34:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-21 05:34:59,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:34:59,327 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-11-21 05:34:59,336 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-11-21 05:34:59,353 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:34:59,357 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-21 05:34:59,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:34:59 ImpRootNode [2021-11-21 05:34:59,364 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:34:59,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:34:59,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:34:59,365 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:34:59,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:34:58" (3/4) ... [2021-11-21 05:34:59,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:34:59,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-21 05:34:59,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:34:59,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 05:34:59,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:34:59,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:34:59,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:34:59,416 INFO L158 Benchmark]: Toolchain (without parser) took 1573.14ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 75.4MB in the beginning and 93.5MB in the end (delta: -18.1MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2021-11-21 05:34:59,417 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:34:59,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.46ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 81.2MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:34:59,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.40ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:34:59,419 INFO L158 Benchmark]: Boogie Preprocessor took 17.98ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:34:59,422 INFO L158 Benchmark]: RCFGBuilder took 294.07ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 69.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:34:59,424 INFO L158 Benchmark]: CodeCheck took 932.43ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.6MB in the beginning and 96.3MB in the end (delta: -26.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:34:59,424 INFO L158 Benchmark]: Witness Printer took 50.81ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:34:59,428 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 0 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 113 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, 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 - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.46ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 81.2MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.40ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.98ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.07ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 69.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 932.43ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.6MB in the beginning and 96.3MB in the end (delta: -26.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.81ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 05:34:59,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c44103-4ced-4eef-b16b-0038974c171b/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