./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.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_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/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_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/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_655ad79e-d2e1-4688-93c4-c2e6291d68a0/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 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:40:40,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:40:40,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:40:40,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:40:40,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:40:40,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:40:40,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:40:40,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:40:40,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:40:40,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:40:40,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:40:40,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:40:40,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:40:40,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:40:40,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:40:40,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:40:40,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:40:40,487 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:40:40,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:40:40,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:40:40,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:40:40,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:40:40,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:40:40,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:40:40,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:40:40,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:40,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:40:40,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:40:40,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:40:40,493 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:40:40,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:40:40,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:40:40,494 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_655ad79e-d2e1-4688-93c4-c2e6291d68a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc [2023-12-02 22:40:40,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:40:40,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:40:40,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:40:40,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:40:40,750 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:40:40,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2023-12-02 22:40:43,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:40:43,577 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:40:43,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2023-12-02 22:40:43,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/data/b8313b7e1/b644cf38a5a844d688fb02a5eb68fd3a/FLAG2a0317774 [2023-12-02 22:40:43,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/data/b8313b7e1/b644cf38a5a844d688fb02a5eb68fd3a [2023-12-02 22:40:43,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:40:43,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:40:43,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:43,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:40:43,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:40:43,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bb99a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43, skipping insertion in model container [2023-12-02 22:40:43,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:40:43,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:43,750 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:40:43,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:43,771 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:40:43,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43 WrapperNode [2023-12-02 22:40:43,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:43,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:43,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:40:43,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:40:43,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,796 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-12-02 22:40:43,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:43,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:40:43,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:40:43,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:40:43,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:40:43,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:40:43,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:40:43,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:40:43,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:43" (1/1) ... [2023-12-02 22:40:43,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:43,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:40:43,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:40:43,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:40:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:40:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:40:43,961 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:40:43,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:40:44,058 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:40:44,081 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:40:44,082 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:40:44,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:44 BoogieIcfgContainer [2023-12-02 22:40:44,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:40:44,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:40:44,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:40:44,095 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:40:44,095 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:44" (1/1) ... [2023-12-02 22:40:44,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:40:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-12-02 22:40:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-12-02 22:40:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:40:44,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:44,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:40:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:44,313 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 22:40:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2023-12-02 22:40:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-12-02 22:40:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:40:44,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:44,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:40:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:44,373 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 22:40:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-12-02 22:40:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-12-02 22:40:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:40:44,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:40:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:44,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:40:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:44,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:40:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:40:44,434 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 22:40:44,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:40:44 ImpRootNode [2023-12-02 22:40:44,454 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:40:44,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:40:44,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:40:44,455 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:40:44,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:44" (3/4) ... [2023-12-02 22:40:44,457 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 22:40:44,492 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:40:44,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:40:44,493 INFO L158 Benchmark]: Toolchain (without parser) took 891.54ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 111.4MB in the end (delta: -12.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-12-02 22:40:44,494 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 53.3MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:40:44,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.11ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 89.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:40:44,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.11ms. Allocated memory is still 140.5MB. Free memory was 89.3MB in the beginning and 88.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:40:44,495 INFO L158 Benchmark]: Boogie Preprocessor took 16.99ms. Allocated memory is still 140.5MB. Free memory was 88.1MB in the beginning and 87.2MB in the end (delta: 910.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:40:44,496 INFO L158 Benchmark]: RCFGBuilder took 269.18ms. Allocated memory is still 140.5MB. Free memory was 87.2MB in the beginning and 76.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:40:44,497 INFO L158 Benchmark]: CodeCheck took 369.52ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 60.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:40:44,497 INFO L158 Benchmark]: Witness Printer took 37.25ms. Allocated memory is still 140.5MB. Free memory was 60.9MB in the beginning and 111.4MB in the end (delta: -50.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-12-02 22:40:44,501 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 14 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] x = __VERIFIER_nondet_int() [L16] COND TRUE x <= 100 [L17] COND FALSE !(__VERIFIER_nondet_int() != 0) [L20] -3*x VAL [x=-715827883] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 53.3MB in the end (delta: 178.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.11ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 89.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.11ms. Allocated memory is still 140.5MB. Free memory was 89.3MB in the beginning and 88.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.99ms. Allocated memory is still 140.5MB. Free memory was 88.1MB in the beginning and 87.2MB in the end (delta: 910.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.18ms. Allocated memory is still 140.5MB. Free memory was 87.2MB in the beginning and 76.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 369.52ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 60.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 37.25ms. Allocated memory is still 140.5MB. Free memory was 60.9MB in the beginning and 111.4MB in the end (delta: -50.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 22:40:44,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655ad79e-d2e1-4688-93c4-c2e6291d68a0/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)