./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:46:16,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:46:16,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:46:16,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:46:16,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:46:16,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:46:16,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:46:16,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:46:16,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:46:16,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:46:16,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:46:16,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:46:16,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:46:16,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:46:16,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:46:16,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:46:16,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:46:16,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:46:16,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:46:16,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:46:16,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:46:16,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:46:16,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:46:16,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:46:16,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:46:16,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:16,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:46:16,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:46:16,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:46:16,745 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:46:16,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:46:16,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:46:16,746 INFO L153 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_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 [2023-12-02 23:46:17,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:46:17,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:46:17,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:46:17,037 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:46:17,038 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:46:17,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2023-12-02 23:46:20,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:46:20,631 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:46:20,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2023-12-02 23:46:20,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/data/01ff6197e/d7f67ac856544771962a7890ffd37ca5/FLAGa9a8a1d3b [2023-12-02 23:46:20,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/data/01ff6197e/d7f67ac856544771962a7890ffd37ca5 [2023-12-02 23:46:20,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:46:20,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:46:20,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:20,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:46:20,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:46:20,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c99358d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20, skipping insertion in model container [2023-12-02 23:46:20,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:46:20,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:20,885 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:46:20,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:20,919 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:46:20,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20 WrapperNode [2023-12-02 23:46:20,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:20,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:20,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:46:20,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:46:20,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,959 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-12-02 23:46:20,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:20,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:46:20,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:46:20,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:46:20,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:46:20,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:46:20,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:46:20,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:46:20,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:20" (1/1) ... [2023-12-02 23:46:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:21,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:46:21,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:46:21,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:46:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:46:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:46:21,157 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:46:21,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:46:21,295 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:46:21,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:46:21,322 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:46:21,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:21 BoogieIcfgContainer [2023-12-02 23:46:21,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:46:21,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:46:21,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:46:21,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:46:21,338 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:21" (1/1) ... [2023-12-02 23:46:21,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:46:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2023-12-02 23:46:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-12-02 23:46:21,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:46:21,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:21,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-12-02 23:46:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-12-02 23:46:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:46:21,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2023-12-02 23:46:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-12-02 23:46:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:46:21,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:21,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:46:21,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:46:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:46:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:46:21,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:46:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:46:21,949 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 23:46:21,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated [2023-12-02 23:46:21,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated [2023-12-02 23:46:21,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:46:21 ImpRootNode [2023-12-02 23:46:21,984 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:46:21,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:46:21,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:46:21,985 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:46:21,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:21" (3/4) ... [2023-12-02 23:46:21,988 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 23:46:21,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated [2023-12-02 23:46:21,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated [2023-12-02 23:46:22,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:46:22,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:46:22,044 INFO L158 Benchmark]: Toolchain (without parser) took 1382.04ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 120.3MB in the end (delta: -1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:22,045 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:46:22,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.34ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 109.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:46:22,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.35ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:46:22,047 INFO L158 Benchmark]: Boogie Preprocessor took 24.99ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 797.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:22,047 INFO L158 Benchmark]: RCFGBuilder took 338.21ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:46:22,048 INFO L158 Benchmark]: CodeCheck took 658.74ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 121.7MB in the end (delta: -25.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 23:46:22,049 INFO L158 Benchmark]: Witness Printer took 58.19ms. Allocated memory is still 151.0MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:22,053 INFO L338 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, 26 locations, 10 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, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] x >= 0 && x + y >= 0 VAL [x=1, y=2147483647, z=0] [L27] x + y VAL [x=1, y=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.34ms. Allocated memory is still 151.0MB. Free memory was 118.9MB in the beginning and 109.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.35ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.99ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 797.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.21ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 658.74ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 121.7MB in the end (delta: -25.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 58.19ms. Allocated memory is still 151.0MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 23:46:22,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0934ba38-4e6f-4b61-ad5a-d0574cb4de94/bin/ukojak-verify-Qdu7aM0XO9/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)