./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg --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 32bit --witnessprinter.graph.data.programhash 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 --- 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-b5237d8 [2022-11-21 23:05:19,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:05:19,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:05:19,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:05:19,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:05:19,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:05:19,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:05:19,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:05:19,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:05:19,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:05:19,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:05:19,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:05:19,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:05:19,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:05:19,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:05:19,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:05:19,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:05:19,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:05:19,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:05:19,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:05:19,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:05:19,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:05:19,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:05:19,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:05:19,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:05:19,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:05:19,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:05:19,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:05:19,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:05:19,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:05:19,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:05:19,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:05:19,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:05:19,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:05:19,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:05:19,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:05:19,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:05:19,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:05:19,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:05:19,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:05:19,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:05:19,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:05:19,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:05:19,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:05:19,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:05:19,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:05:19,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:05:19,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:05:19,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:05:19,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:05:19,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:05:19,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:05:19,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:05:19,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:05:19,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:05:19,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:05:19,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:05:19,597 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:05:19,597 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:05:19,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:05:19,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:05:19,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:05:19,598 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:05:19,598 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:05:19,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:05:19,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:05:19,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:05:19,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:05:19,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:05:19,600 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:05:19,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:05:19,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:05:19,601 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_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 [2022-11-21 23:05:19,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:05:19,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:05:19,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:05:19,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:05:19,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:05:19,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-nla/prod4br-both-t.c [2022-11-21 23:05:22,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:05:23,105 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:05:23,106 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/sv-benchmarks/c/termination-nla/prod4br-both-t.c [2022-11-21 23:05:23,113 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/data/32d72bab4/4b7b6158fc234b90a748342510f4ae3b/FLAG00f8cefd7 [2022-11-21 23:05:23,129 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/data/32d72bab4/4b7b6158fc234b90a748342510f4ae3b [2022-11-21 23:05:23,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:05:23,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:05:23,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:05:23,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:05:23,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:05:23,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7632936b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23, skipping insertion in model container [2022-11-21 23:05:23,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:05:23,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:05:23,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:23,395 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:05:23,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:23,424 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:05:23,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23 WrapperNode [2022-11-21 23:05:23,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:05:23,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:05:23,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:05:23,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:05:23,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,474 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2022-11-21 23:05:23,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:05:23,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:05:23,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:05:23,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:05:23,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:05:23,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:05:23,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:05:23,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:05:23,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:23" (1/1) ... [2022-11-21 23:05:23,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:05:23,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:05:23,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:05:23,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:05:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:05:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:05:23,669 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:05:23,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:05:24,102 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:05:24,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:05:24,130 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:05:24,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:05:24 BoogieIcfgContainer [2022-11-21 23:05:24,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:05:24,134 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:05:24,134 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:05:24,145 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:05:24,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:05:24" (1/1) ... [2022-11-21 23:05:24,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:05:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2022-11-21 23:05:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2022-11-21 23:05:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:05:24,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:24,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:05:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:24,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions. [2022-11-21 23:05:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2022-11-21 23:05:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:05:24,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:05:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2022-11-21 23:05:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2022-11-21 23:05:24,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:05:24,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:24,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:05:24,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:05:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:05:24,834 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-21 23:05:24,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:05:24 ImpRootNode [2022-11-21 23:05:24,905 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:05:24,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:05:24,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:05:24,919 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:05:24,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:05:24" (3/4) ... [2022-11-21 23:05:24,923 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:05:24,999 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:05:24,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:05:25,000 INFO L158 Benchmark]: Toolchain (without parser) took 1866.21ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 70.5MB in the beginning and 141.7MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:05:25,001 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 134.2MB. Free memory was 100.6MB in the beginning and 100.5MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:05:25,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.39ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 70.2MB in the beginning and 142.9MB in the end (delta: -72.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-21 23:05:25,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.67ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:25,003 INFO L158 Benchmark]: Boogie Preprocessor took 48.78ms. Allocated memory is still 176.2MB. Free memory was 140.8MB in the beginning and 140.1MB in the end (delta: 731.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:25,004 INFO L158 Benchmark]: RCFGBuilder took 608.59ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 121.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:05:25,004 INFO L158 Benchmark]: CodeCheck took 771.40ms. Allocated memory is still 176.2MB. Free memory was 121.9MB in the beginning and 143.6MB in the end (delta: -21.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-21 23:05:25,005 INFO L158 Benchmark]: Witness Printer took 93.34ms. Allocated memory is still 176.2MB. Free memory was 143.6MB in the beginning and 141.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:25,014 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, 95 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 14 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x, y; [L21] int a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L24] y = __VERIFIER_nondet_int() [L27] COND FALSE !(y < 1) [L31] a = x [L32] b = y [L33] p = 1 [L34] q = 0 VAL [a=2, b=1073741824, p=1, q=0, x=2, y=1073741824] [L36] COND TRUE 1 [L39] a != 0 && b + q + a * b * p - x * y != 0 VAL [a=2, a != 0 && b + q + a * b * p - x * y != 0=1, b=1073741824, p=1, q=0, x=2, y=1073741824] [L39] b + q VAL [a=2, a != 0 && b + q + a * b * p - x * y != 0=1, b=1073741824, p=1, q=0, x=2, y=1073741824] [L39] a * b VAL [a=2, a != 0 && b + q + a * b * p - x * y != 0=1, b=1073741824, p=1, q=0, x=2, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 134.2MB. Free memory was 100.6MB in the beginning and 100.5MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.39ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 70.2MB in the beginning and 142.9MB in the end (delta: -72.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.67ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.78ms. Allocated memory is still 176.2MB. Free memory was 140.8MB in the beginning and 140.1MB in the end (delta: 731.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.59ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 121.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 771.40ms. Allocated memory is still 176.2MB. Free memory was 121.9MB in the beginning and 143.6MB in the end (delta: -21.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 93.34ms. Allocated memory is still 176.2MB. Free memory was 143.6MB in the beginning and 141.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:05:25,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ed7dd4-552b-459b-918f-f754027041c2/bin/ukojak-jW3SillKbg/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)