./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4 --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 c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e --- 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-2329fc7 [2022-12-15 02:03:36,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:03:36,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:03:36,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:03:36,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:03:36,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:03:36,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:03:36,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:03:36,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:03:36,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:03:36,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:03:36,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:03:36,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:03:36,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:03:36,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:03:36,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:03:36,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:03:36,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:03:36,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:03:36,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:03:36,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:03:36,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:03:36,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:03:36,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:03:36,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:03:36,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:03:36,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:03:36,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:03:36,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:03:36,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:03:36,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:03:36,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:03:36,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:03:36,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:03:36,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:03:36,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:03:36,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:03:36,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:03:36,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:03:36,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:03:36,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:03:36,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:03:36,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:03:36,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:03:36,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:03:36,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:03:36,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:03:36,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:03:36,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:03:36,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:03:36,703 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:03:36,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:03:36,703 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:03:36,703 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:03:36,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:03:36,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:03:36,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:03:36,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:03:36,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:03:36,704 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:03:36,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:03:36,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:03:36,704 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_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e [2022-12-15 02:03:36,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:03:36,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:03:36,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:03:36,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:03:36,885 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:03:36,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/b.17.c [2022-12-15 02:03:39,386 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:03:39,530 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:03:39,531 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/sv-benchmarks/c/termination-restricted-15/b.17.c [2022-12-15 02:03:39,535 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/data/e391f239a/115d54ebdce34f03ac15e65922126b38/FLAGdf2ff2c8c [2022-12-15 02:03:39,957 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/data/e391f239a/115d54ebdce34f03ac15e65922126b38 [2022-12-15 02:03:39,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:03:39,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:03:39,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:03:39,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:03:39,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:03:39,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:39" (1/1) ... [2022-12-15 02:03:39,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f29466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:39, skipping insertion in model container [2022-12-15 02:03:39,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:39" (1/1) ... [2022-12-15 02:03:39,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:03:39,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:03:40,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:03:40,083 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:03:40,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:03:40,101 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:03:40,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40 WrapperNode [2022-12-15 02:03:40,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:03:40,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:03:40,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:03:40,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:03:40,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,122 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2022-12-15 02:03:40,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:03:40,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:03:40,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:03:40,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:03:40,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:03:40,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:03:40,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:03:40,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:03:40,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:03:40,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:03:40,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:03:40,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:03:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:03:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:03:40,241 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:03:40,243 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:03:40,302 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:03:40,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:03:40,321 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:03:40,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:40 BoogieIcfgContainer [2022-12-15 02:03:40,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:03:40,325 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:03:40,325 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:03:40,334 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:03:40,335 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:40" (1/1) ... [2022-12-15 02:03:40,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:03:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-15 02:03:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-15 02:03:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:03:40,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-15 02:03:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-15 02:03:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:03:40,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:40,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-15 02:03:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-15 02:03:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:03:40,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:40,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2022-12-15 02:03:40,933 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2022-12-15 02:03:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:03:40,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:40,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2022-12-15 02:03:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2022-12-15 02:03:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:03:41,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:41,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:03:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2022-12-15 02:03:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2022-12-15 02:03:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:03:41,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:41,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:03:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2022-12-15 02:03:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-15 02:03:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:03:41,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:03:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-15 02:03:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-15 02:03:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:03:41,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:41,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-12-15 02:03:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-12-15 02:03:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:03:41,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:41,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:41,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:03:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2022-12-15 02:03:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-12-15 02:03:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:03:42,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:42,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-12-15 02:03:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-12-15 02:03:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:03:42,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:42,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:03:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 02:03:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 02:03:42,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:03:42,424 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-12-15 02:03:42,431 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 02:03:42,465 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-12-15 02:03:42,474 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-12-15 02:03:42,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:03:42 ImpRootNode [2022-12-15 02:03:42,475 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:03:42,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:03:42,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:03:42,476 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:03:42,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:40" (3/4) ... [2022-12-15 02:03:42,479 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:03:42,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 02:03:42,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 02:03:42,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 02:03:42,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:03:42,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:03:42,515 INFO L158 Benchmark]: Toolchain (without parser) took 2555.79ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-15 02:03:42,516 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:03:42,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 141.64ms. Allocated memory is still 125.8MB. Free memory was 90.9MB in the beginning and 81.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 02:03:42,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.62ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:03:42,516 INFO L158 Benchmark]: Boogie Preprocessor took 14.01ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 79.5MB in the end (delta: 977.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:03:42,517 INFO L158 Benchmark]: RCFGBuilder took 186.96ms. Allocated memory is still 125.8MB. Free memory was 79.5MB in the beginning and 70.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:03:42,517 INFO L158 Benchmark]: CodeCheck took 2150.46ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 69.7MB in the beginning and 92.9MB in the end (delta: -23.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-15 02:03:42,517 INFO L158 Benchmark]: Witness Printer took 39.09ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:03:42,520 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1209 IncrementalHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 0 mSDtfsCounter, 1209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 750 GetRequests, 655 SyntacticMatches, 5 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3236 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 12/15 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: 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 - 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 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((y <= z && !(y <= 2147483647)) && x <= 2147483646) || ((0 <= z + 2147483648 && x <= 2147483647) && y <= 2147483647) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((0 <= z + 2147483648 && x <= 2147483647) && 0 <= 2147483647 + x) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 141.64ms. Allocated memory is still 125.8MB. Free memory was 90.9MB in the beginning and 81.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.62ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.01ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 79.5MB in the end (delta: 977.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 186.96ms. Allocated memory is still 125.8MB. Free memory was 79.5MB in the beginning and 70.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2150.46ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 69.7MB in the beginning and 92.9MB in the end (delta: -23.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 39.09ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 89.7MB 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! [2022-12-15 02:03:42,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12990e7c-32d8-47ba-aaf4-fe7d22becd87/bin/ukojak-rkRKPMF4O4/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