./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY --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 2a919b25da354c99a27159953a248cd7db9b3c80 ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:11:11,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:11:11,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:11:11,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:11:11,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:11:11,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:11:11,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:11:11,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:11:11,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:11:11,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:11:11,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:11:11,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:11:11,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:11:11,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:11:11,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:11:11,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:11:11,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:11:11,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:11:11,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:11:11,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:11:11,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:11:11,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:11:11,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:11:11,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:11:11,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:11:11,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:11:11,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:11:11,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:11:11,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:11:11,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:11:11,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:11:11,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:11:11,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:11:11,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:11:11,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:11:11,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:11:11,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:11:11,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:11:11,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:11:11,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:11:11,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:11:11,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:11:11,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:11:11,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:11:11,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:11:11,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:11:11,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:11:11,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:11:11,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:11:11,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:11:11,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:11:11,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:11:11,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:11:11,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:11:11,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:11:11,676 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:11:11,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:11:11,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:11:11,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:11:11,677 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:11:11,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:11:11,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:11:11,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:11:11,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:11:11,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:11:11,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:11:11,679 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:11:11,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:11:11,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:11:11,680 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_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a919b25da354c99a27159953a248cd7db9b3c80 [2021-10-13 04:11:12,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:11:12,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:11:12,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:11:12,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:11:12,048 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:11:12,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.02.c [2021-10-13 04:11:12,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/data/46f3b16bc/62aa3ceff1a74e62ab949ca547d2fa5b/FLAGce0862774 [2021-10-13 04:11:12,740 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:11:12,741 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.02.c [2021-10-13 04:11:12,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/data/46f3b16bc/62aa3ceff1a74e62ab949ca547d2fa5b/FLAGce0862774 [2021-10-13 04:11:13,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/data/46f3b16bc/62aa3ceff1a74e62ab949ca547d2fa5b [2021-10-13 04:11:13,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:11:13,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:11:13,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:11:13,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:11:13,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:11:13,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c501a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13, skipping insertion in model container [2021-10-13 04:11:13,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:11:13,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:11:13,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:11:13,332 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:11:13,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:11:13,387 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:11:13,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13 WrapperNode [2021-10-13 04:11:13,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:11:13,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:11:13,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:11:13,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:11:13,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:11:13,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:11:13,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:11:13,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:11:13,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:11:13,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:11:13,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:11:13,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:11:13,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:11:13,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:11:13,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:11:13,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:11:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:11:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:11:13,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:11:13,866 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:11:13,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:11:13 BoogieIcfgContainer [2021-10-13 04:11:13,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:11:13,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:11:13,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:11:13,883 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:11:13,884 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:11:13" (1/1) ... [2021-10-13 04:11:13,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:11:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:11:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-13 04:11:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-13 04:11:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:11:13,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:11:13,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:11:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:11:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:11:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:11:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-10-13 04:11:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-13 04:11:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:11:14,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:11:14,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:11:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:11:14,180 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:11:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:11:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:11:14,218 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:11:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:11:14,229 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-10-13 04:11:14,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:11:14 ImpRootNode [2021-10-13 04:11:14,249 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:11:14,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:11:14,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:11:14,251 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:11:14,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:11:13" (3/4) ... [2021-10-13 04:11:14,254 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:11:14,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:11:14,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:11:14,310 INFO L168 Benchmark]: Toolchain (without parser) took 1185.68 ms. Allocated memory is still 94.4 MB. Free memory was 60.3 MB in the beginning and 47.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-13 04:11:14,311 INFO L168 Benchmark]: CDTParser took 1.89 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:11:14,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.61 ms. Allocated memory is still 94.4 MB. Free memory was 60.1 MB in the beginning and 72.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:11:14,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.91 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 70.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:11:14,316 INFO L168 Benchmark]: Boogie Preprocessor took 35.82 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 70.1 MB in the end (delta: 774.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:11:14,327 INFO L168 Benchmark]: RCFGBuilder took 397.44 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 61.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:11:14,328 INFO L168 Benchmark]: CodeCheck took 376.96 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 48.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:11:14,330 INFO L168 Benchmark]: Witness Printer took 57.09 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 47.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:11:14,337 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 321.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 6.1ms SsaConstructionTime, 25.7ms SatisfiabilityAnalysisTime, 73.4ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x < 0 [L27] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.61 ms. Allocated memory is still 94.4 MB. Free memory was 60.1 MB in the beginning and 72.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.91 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 70.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.82 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 70.1 MB in the end (delta: 774.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 397.44 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 61.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 376.96 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 48.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 57.09 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 47.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:11:14,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16098090-93be-451b-8069-2310392d87e7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...