./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ --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 e1ac7230c5e382093d26c98e7b6016147f69412c389a30284fe416f8f9568f8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:06:29,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:06:29,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:06:29,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:06:29,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:06:29,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:06:29,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:06:29,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:06:29,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:06:29,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:06:29,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:06:29,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:06:29,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:06:29,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:06:29,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:06:29,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:06:29,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:06:29,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:06:29,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:06:29,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:06:29,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:06:29,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:06:29,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:06:29,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:06:29,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:06:29,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:06:29,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:06:29,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:06:29,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:06:29,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:06:29,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:06:29,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:06:29,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:06:29,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:06:29,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:06:29,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:06:29,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:06:29,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:06:29,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:06:29,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:06:29,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:06:29,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:06:29,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:06:29,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:06:29,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:06:29,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:06:29,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:06:29,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:06:29,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:06:29,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:06:29,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:06:29,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:06:29,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:06:29,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:06:29,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:06:29,255 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:06:29,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:06:29,256 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:06:29,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:06:29,256 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:06:29,256 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:06:29,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:06:29,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:29,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:06:29,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:06:29,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:06:29,258 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:06:29,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:06:29,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:06:29,258 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_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ac7230c5e382093d26c98e7b6016147f69412c389a30284fe416f8f9568f8d [2022-11-20 17:06:29,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:06:29,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:06:29,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:06:29,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:06:29,611 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:06:29,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/Ex07.c [2022-11-20 17:06:32,718 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:06:32,903 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:06:32,904 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/sv-benchmarks/c/termination-restricted-15/Ex07.c [2022-11-20 17:06:32,909 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/data/19aa730ba/62cfac6e9704463c959549a8cc45f700/FLAGf5632ece1 [2022-11-20 17:06:33,287 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/data/19aa730ba/62cfac6e9704463c959549a8cc45f700 [2022-11-20 17:06:33,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:06:33,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:06:33,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:33,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:06:33,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:06:33,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6757c9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33, skipping insertion in model container [2022-11-20 17:06:33,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:06:33,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:06:33,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:33,474 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:06:33,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:33,498 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:06:33,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33 WrapperNode [2022-11-20 17:06:33,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:33,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:33,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:06:33,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:06:33,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,533 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-20 17:06:33,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:33,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:06:33,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:06:33,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:06:33,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:06:33,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:06:33,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:06:33,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:06:33,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:06:33,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:06:33,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:06:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:06:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:06:33,716 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:06:33,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:06:33,816 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:06:33,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:06:33,834 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:06:33,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:33 BoogieIcfgContainer [2022-11-20 17:06:33,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:06:33,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:06:33,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:06:33,848 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:06:33,848 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:33" (1/1) ... [2022-11-20 17:06:33,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:06:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-11-20 17:06:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-20 17:06:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:06:33,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:33,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-11-20 17:06:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-20 17:06:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:06:34,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:34,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-11-20 17:06:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-11-20 17:06:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:06:34,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2022-11-20 17:06:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2022-11-20 17:06:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:06:34,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:34,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-20 17:06:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-20 17:06:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:06:34,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:34,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2022-11-20 17:06:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-11-20 17:06:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:06:34,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:34,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-11-20 17:06:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-11-20 17:06:35,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:06:35,074 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 17:06:35,085 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:06:35,121 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-11-20 17:06:35,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:06:35 ImpRootNode [2022-11-20 17:06:35,134 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:06:35,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:06:35,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:06:35,136 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:06:35,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:33" (3/4) ... [2022-11-20 17:06:35,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:06:35,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:06:35,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:06:35,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:06:35,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:06:35,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:06:35,226 INFO L158 Benchmark]: Toolchain (without parser) took 1934.22ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 86.8MB in the end (delta: 22.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-20 17:06:35,226 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 111.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:35,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.24ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 99.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:06:35,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 98.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:35,228 INFO L158 Benchmark]: Boogie Preprocessor took 21.13ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 97.6MB in the end (delta: 842.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:35,228 INFO L158 Benchmark]: RCFGBuilder took 279.37ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 88.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:06:35,229 INFO L158 Benchmark]: CodeCheck took 1296.58ms. Allocated memory is still 153.1MB. Free memory was 87.9MB in the beginning and 89.7MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:35,229 INFO L158 Benchmark]: Witness Printer took 89.22ms. Allocated memory is still 153.1MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:35,231 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 276 IncrementalHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 12 mSDtfsCounter, 276 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 284 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: i <= 2147483647 && 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 111.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.24ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 99.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 98.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.13ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 97.6MB in the end (delta: 842.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.37ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 88.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1296.58ms. Allocated memory is still 153.1MB. Free memory was 87.9MB in the beginning and 89.7MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.22ms. Allocated memory is still 153.1MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:06:35,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4bc8b40-86ab-4c1e-b39f-a167166ccf5d/bin/ukojak-pZX7IvK2PQ/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