./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/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_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/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_6bdb9a7f-f63c-498a-84b3-31177433976a/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 a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 --- 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 [2022-12-14 18:25:25,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:25:25,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:25:25,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:25:25,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:25:25,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:25:25,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:25:25,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:25:25,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:25:25,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:25:25,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:25:25,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:25:25,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:25:25,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:25:25,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:25:25,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:25:25,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:25:25,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:25:25,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:25:25,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:25:25,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:25:25,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:25:25,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:25:25,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:25:25,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:25:25,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:25:25,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:25:25,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:25:25,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:25:25,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:25:25,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:25:25,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:25:25,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:25:25,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:25:25,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:25:25,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:25:25,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:25:25,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:25:25,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:25:25,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:25:25,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:25:25,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:25:25,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:25:25,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:25:25,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:25:25,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:25:25,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:25:25,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:25:25,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:25:25,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:25:25,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:25:25,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:25:25,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:25:25,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:25:25,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:25:25,478 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:25:25,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:25:25,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:25:25,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:25:25,478 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:25:25,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:25:25,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:25:25,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:25,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:25:25,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:25:25,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:25:25,480 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:25:25,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:25:25,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:25:25,480 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_6bdb9a7f-f63c-498a-84b3-31177433976a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 [2022-12-14 18:25:25,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:25:25,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:25:25,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:25:25,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:25:25,699 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:25:25,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2022-12-14 18:25:28,300 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:25:28,468 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:25:28,468 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2022-12-14 18:25:28,472 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/data/af0c8244d/217c4e8c270340ff9a9e9bbdddd7e29b/FLAGd01ee0dcc [2022-12-14 18:25:28,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/data/af0c8244d/217c4e8c270340ff9a9e9bbdddd7e29b [2022-12-14 18:25:28,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:25:28,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:25:28,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:28,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:25:28,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:25:28,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38332d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28, skipping insertion in model container [2022-12-14 18:25:28,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:25:28,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:25:28,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:28,632 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:25:28,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:28,654 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:25:28,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28 WrapperNode [2022-12-14 18:25:28,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:28,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:28,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:25:28,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:25:28,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,682 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-12-14 18:25:28,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:28,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:25:28,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:25:28,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:25:28,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:25:28,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:25:28,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:25:28,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:25:28,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:28,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:25:28,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:25:28,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:25:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:25:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:25:28,824 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:25:28,825 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:25:28,880 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:25:28,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:25:28,893 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:25:28,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:28 BoogieIcfgContainer [2022-12-14 18:25:28,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:25:28,896 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:25:28,896 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:25:28,903 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:25:28,904 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:25:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-14 18:25:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 18:25:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:25:28,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:28,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2022-12-14 18:25:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-12-14 18:25:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:25:29,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-14 18:25:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 18:25:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:25:29,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:29,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-14 18:25:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-14 18:25:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:25:29,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:29,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-12-14 18:25:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-12-14 18:25:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:25:29,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:29,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:25:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-12-14 18:25:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-12-14 18:25:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:25:29,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:29,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:25:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-12-14 18:25:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-12-14 18:25:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:25:29,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:25:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2022-12-14 18:25:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-12-14 18:25:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:25:30,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:30,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:25:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 18:25:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 18:25:30,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:25:30,186 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 18:25:30,192 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 18:25:30,214 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-14 18:25:30,222 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 18:25:30,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:25:30 ImpRootNode [2022-12-14 18:25:30,222 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:25:30,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:25:30,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:25:30,223 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:25:30,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:28" (3/4) ... [2022-12-14 18:25:30,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:25:30,232 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:25:30,232 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 18:25:30,232 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:25:30,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:25:30,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:25:30,256 INFO L158 Benchmark]: Toolchain (without parser) took 1770.29ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 95.9MB in the beginning and 84.9MB in the end (delta: 11.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-12-14 18:25:30,257 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:30,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.70ms. Allocated memory is still 130.0MB. Free memory was 95.9MB in the beginning and 86.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 18:25:30,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.33ms. Allocated memory is still 130.0MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:30,258 INFO L158 Benchmark]: Boogie Preprocessor took 14.74ms. Allocated memory is still 130.0MB. Free memory was 85.5MB in the beginning and 84.7MB in the end (delta: 799.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:30,258 INFO L158 Benchmark]: RCFGBuilder took 197.11ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 75.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:25:30,259 INFO L158 Benchmark]: CodeCheck took 1326.52ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 86.9MB in the end (delta: -11.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-12-14 18:25:30,260 INFO L158 Benchmark]: Witness Printer took 32.67ms. Allocated memory is still 169.9MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:30,262 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: 1.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 537 IncrementalHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 32 mSDtfsCounter, 537 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 494 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 5/10 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 19]: Loop Invariant Derived loop invariant: ((1 <= i && i <= 2147483647) && j <= 2147483647) && N <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.70ms. Allocated memory is still 130.0MB. Free memory was 95.9MB in the beginning and 86.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.33ms. Allocated memory is still 130.0MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.74ms. Allocated memory is still 130.0MB. Free memory was 85.5MB in the beginning and 84.7MB in the end (delta: 799.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.11ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 75.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1326.52ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 86.9MB in the end (delta: -11.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 32.67ms. Allocated memory is still 169.9MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:25:30,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdb9a7f-f63c-498a-84b3-31177433976a/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