./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi --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 32bit --witnessprinter.graph.data.programhash 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:14,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:14,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:04:14,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:14,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:14,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:14,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:14,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:14,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:14,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:14,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:14,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:14,551 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:14,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:14,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:14,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:14,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:14,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:14,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:14,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:14,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:14,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:14,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:14,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:14,558 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:14,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:14,559 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:14,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:14,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:14,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:14,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:14,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:14,562 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:14,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:14,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:14,563 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_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 [2023-11-24 23:04:14,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:14,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:14,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:14,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:14,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:14,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2023-11-24 23:04:18,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:18,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:18,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2023-11-24 23:04:18,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/data/33132fb92/6cabbe0f4e034601bd1f141408e554f1/FLAGcd4334a83 [2023-11-24 23:04:18,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/data/33132fb92/6cabbe0f4e034601bd1f141408e554f1 [2023-11-24 23:04:18,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:18,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:18,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:18,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:18,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:18,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c61ab3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18, skipping insertion in model container [2023-11-24 23:04:18,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:18,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:18,633 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:18,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:18,677 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:18,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18 WrapperNode [2023-11-24 23:04:18,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:18,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:18,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:18,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:18,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,725 INFO L138 Inliner]: procedures = 16, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-24 23:04:18,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:18,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:18,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:18,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:18,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:18,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:18,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:18,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:18,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:18,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:18,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:18,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_39_0 [2023-11-24 23:04:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_39_0 [2023-11-24 23:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:04:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:04:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:04:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:18,951 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:18,953 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:19,554 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:19,634 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:19,634 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:19,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:19 BoogieIcfgContainer [2023-11-24 23:04:19,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:19,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:19,638 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:19,650 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:19,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:19" (1/1) ... [2023-11-24 23:04:19,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 134 states and 138 transitions. [2023-11-24 23:04:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2023-11-24 23:04:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:04:19,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:19,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:19,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:19,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:20,003 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-24 23:04:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-24 23:04:20,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:20 ImpRootNode [2023-11-24 23:04:20,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:20,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:20,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:20,034 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:20,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:19" (3/4) ... [2023-11-24 23:04:20,036 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:04:20,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-24 23:04:20,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-24 23:04:20,077 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:04:20,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:20,078 INFO L158 Benchmark]: Toolchain (without parser) took 1767.32ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 65.5MB in the end (delta: 47.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,079 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:20,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.10ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 116.3MB in the end (delta: -3.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.05ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 114.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,081 INFO L158 Benchmark]: Boogie Preprocessor took 49.47ms. Allocated memory is still 151.0MB. Free memory was 114.3MB in the beginning and 112.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,082 INFO L158 Benchmark]: RCFGBuilder took 859.67ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 84.4MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,082 INFO L158 Benchmark]: CodeCheck took 395.45ms. Allocated memory is still 151.0MB. Free memory was 84.4MB in the beginning and 67.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,083 INFO L158 Benchmark]: Witness Printer took 43.46ms. Allocated memory is still 151.0MB. Free memory was 67.4MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,086 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 3 procedures, 134 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 90]: integer overflow possible integer overflow possible We found a FailurePath: [L83] int X; [L84] int Y; [L85] int v; [L86] int x; [L87] int y; [L88] X = __VERIFIER_nondet_int() [L89] Y = __VERIFIER_nondet_int() [L90] EXPR \read(Y) VAL [X={5:0}, Y={8:0}, v={6:0}, x={7:0}, y={4:0}] [L90] 2 * Y VAL [X={5:0}, Y={8:0}, v={6:0}, x={7:0}, y={4:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.10ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 116.3MB in the end (delta: -3.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.05ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 114.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.47ms. Allocated memory is still 151.0MB. Free memory was 114.3MB in the beginning and 112.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 859.67ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 84.4MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 395.45ms. Allocated memory is still 151.0MB. Free memory was 84.4MB in the beginning and 67.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 43.46ms. Allocated memory is still 151.0MB. Free memory was 67.4MB in the beginning and 65.5MB in the end (delta: 1.9MB). 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~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:04:20,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2eb7b5f-6368-4253-ac69-a13be548a269/bin/ukojak-verify-afCqCEvfdi/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)