./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/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_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/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_d5fe23e9-af3e-4240-9245-269830479714/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 0bb630e51a0a6d7663d0ae15d8f95579af707f3aaba51309e2f8a6818f848e50 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:08:36,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:08:36,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:08:36,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:08:36,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:08:36,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:08:36,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:08:36,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:08:36,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:08:36,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:08:36,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:08:36,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:08:36,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:08:36,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:08:36,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:08:36,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:08:36,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:08:36,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:08:36,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:08:36,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:08:36,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:08:36,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:08:36,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:08:36,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:08:36,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:08:36,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:08:36,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:08:36,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:08:36,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:08:36,651 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:08:36,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:08:36,652 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:08:36,652 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_d5fe23e9-af3e-4240-9245-269830479714/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb630e51a0a6d7663d0ae15d8f95579af707f3aaba51309e2f8a6818f848e50 [2023-12-02 21:08:36,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:08:36,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:08:36,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:08:36,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:08:36,894 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:08:36,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-restricted-15/PastaB7.c [2023-12-02 21:08:39,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:08:39,851 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:08:39,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/sv-benchmarks/c/termination-restricted-15/PastaB7.c [2023-12-02 21:08:39,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/data/4782d8999/ba88d3be8b5e4c0bb253e9b72d0e933f/FLAG1e790cce2 [2023-12-02 21:08:39,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/data/4782d8999/ba88d3be8b5e4c0bb253e9b72d0e933f [2023-12-02 21:08:39,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:08:39,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:08:39,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:08:39,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:08:39,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:08:39,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:39" (1/1) ... [2023-12-02 21:08:39,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39285bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:39, skipping insertion in model container [2023-12-02 21:08:39,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:39" (1/1) ... [2023-12-02 21:08:39,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:08:40,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:08:40,040 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:08:40,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:08:40,067 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:08:40,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40 WrapperNode [2023-12-02 21:08:40,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:08:40,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:08:40,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:08:40,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:08:40,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,095 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-12-02 21:08:40,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:08:40,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:08:40,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:08:40,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:08:40,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:08:40,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:08:40,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:08:40,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:08:40,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:08:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:08:40,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:08:40,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:08:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:08:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:08:40,265 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:08:40,267 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:08:40,333 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:08:40,358 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:08:40,358 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:08:40,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:40 BoogieIcfgContainer [2023-12-02 21:08:40,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:08:40,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:08:40,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:08:40,369 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:08:40,369 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:40" (1/1) ... [2023-12-02 21:08:40,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:08:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 21:08:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 21:08:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:08:40,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:40,572 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 21:08:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-02 21:08:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-02 21:08:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:08:40,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:40,670 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 21:08:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-12-02 21:08:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-12-02 21:08:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:08:40,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:40,881 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 21:08:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-12-02 21:08:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-12-02 21:08:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:08:41,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:41,126 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 21:08:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-12-02 21:08:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-12-02 21:08:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:08:41,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:41,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:08:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-02 21:08:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 21:08:41,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:08:41,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:41,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-12-02 21:08:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-12-02 21:08:42,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:08:42,270 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-12-02 21:08:42,278 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 21:08:42,309 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-12-02 21:08:42,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:08:42 ImpRootNode [2023-12-02 21:08:42,316 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:08:42,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:08:42,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:08:42,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:08:42,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:40" (3/4) ... [2023-12-02 21:08:42,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:08:42,323 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 21:08:42,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 21:08:42,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 21:08:42,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:08:42,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:08:42,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:08:42,403 INFO L158 Benchmark]: Toolchain (without parser) took 2528.51ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 114.8MB in the beginning and 153.1MB in the end (delta: -38.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-12-02 21:08:42,404 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:08:42,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.25ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 105.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 21:08:42,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.29ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:08:42,405 INFO L158 Benchmark]: Boogie Preprocessor took 19.87ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 103.1MB in the end (delta: 561.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:08:42,405 INFO L158 Benchmark]: RCFGBuilder took 243.17ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 93.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:08:42,406 INFO L158 Benchmark]: CodeCheck took 1954.66ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 93.2MB in the beginning and 157.1MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:08:42,406 INFO L158 Benchmark]: Witness Printer took 86.05ms. Allocated memory is still 209.7MB. Free memory was 157.1MB in the beginning and 153.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:08:42,409 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 231 SyntacticMatches, 10 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/5 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 - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.25ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 105.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.29ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.87ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 103.1MB in the end (delta: 561.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.17ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 93.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1954.66ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 93.2MB in the beginning and 157.1MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.05ms. Allocated memory is still 209.7MB. Free memory was 157.1MB in the beginning and 153.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:08:42,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5fe23e9-af3e-4240-9245-269830479714/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 Result: TRUE