./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk --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 c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:38:57,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:38:57,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:38:57,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:38:57,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:38:57,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:38:57,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:38:57,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:38:57,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:38:57,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:38:57,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:38:57,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:38:57,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:38:57,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:38:57,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:38:57,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:38:57,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:38:57,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:38:57,876 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:38:57,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:38:57,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:38:57,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:38:57,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:38:57,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:38:57,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:38:57,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:38:57,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:57,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:38:57,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:38:57,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:38:57,883 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:38:57,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:38:57,883 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_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-11-08 22:38:58,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:38:58,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:38:58,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:38:58,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:38:58,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:38:58,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c Unable to find full path for "g++" [2024-11-08 22:39:00,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:00,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:00,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-08 22:39:00,369 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/data/49b4bbe9f/fe86f39cc0ea45d0b3890f76c7dc3537/FLAG35e2afbf5 [2024-11-08 22:39:00,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/data/49b4bbe9f/fe86f39cc0ea45d0b3890f76c7dc3537 [2024-11-08 22:39:00,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:00,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:00,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:00,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:00,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:00,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180577e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00, skipping insertion in model container [2024-11-08 22:39:00,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:00,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:00,614 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:00,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:00,640 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:00,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00 WrapperNode [2024-11-08 22:39:00,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:00,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:00,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:00,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:00,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,664 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-08 22:39:00,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:00,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:00,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:00,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:00,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:00,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:00,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:00,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:00,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:00,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:00,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:00,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-11-08 22:39:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-11-08 22:39:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:00,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:00,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:00,804 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:39:00,899 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-08 22:39:00,899 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:39:00,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:39:00,922 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:39:00,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:00 BoogieIcfgContainer [2024-11-08 22:39:00,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:39:00,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:39:00,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:39:00,935 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:39:00,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:00" (1/1) ... [2024-11-08 22:39:00,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:39:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 22:39:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 22:39:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:39:01,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:01,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 19 transitions. [2024-11-08 22:39:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 22:39:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:39:01,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:01,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:01,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 15 transitions. [2024-11-08 22:39:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 22:39:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:39:01,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 28 transitions. [2024-11-08 22:39:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-08 22:39:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:39:01,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:01,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 30 transitions. [2024-11-08 22:39:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-08 22:39:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:39:01,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:39:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 12 states and 14 transitions. [2024-11-08 22:39:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:39:02,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:39:02,780 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 22:39:02,790 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 22:39:03,023 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (or (and (<= 1 |foo_#t~post0|) (= |foo_#t~post0| |old(~x~0)|)) (< 2147483647 |foo_#t~post0|)) [2024-11-08 22:39:03,023 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (not (and (<= |foo_#t~post0| 2147483647) (not (= |foo_#t~post0| |old(~x~0)|)))) [2024-11-08 22:39:03,024 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 16) the Hoare annotation is: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) [2024-11-08 22:39:03,024 INFO L77 FloydHoareUtils]: At program point fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) the Hoare annotation is: true [2024-11-08 22:39:03,024 INFO L77 FloydHoareUtils]: At program point fooEXIT(lines 14 16) the Hoare annotation is: true [2024-11-08 22:39:03,024 INFO L75 FloydHoareUtils]: For program point fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-08 22:39:03,025 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:39:03,025 INFO L77 FloydHoareUtils]: At program point L23(lines 23 27) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 22:39:03,025 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:39:03,026 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 22:39:03,026 INFO L77 FloydHoareUtils]: At program point L26-1(lines 22 28) the Hoare annotation is: true [2024-11-08 22:39:03,026 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 22:39:03,026 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 28) the Hoare annotation is: (<= 1 ~x~0) [2024-11-08 22:39:03,027 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 28) the Hoare annotation is: true [2024-11-08 22:39:03,055 WARN L162 FloydHoareUtils]: Requires clause for foo contained old-variable. Original clause: (or (< 2147483647 ~x~0) (and (<= 1 ~x~0) (= ~x~0 |old(~x~0)|))) Eliminated clause: (< 0 ~x~0) [2024-11-08 22:39:03,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:39:03 ImpRootNode [2024-11-08 22:39:03,065 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:39:03,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:39:03,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:39:03,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:39:03,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:39:00" (3/4) ... [2024-11-08 22:39:03,070 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:39:03,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2024-11-08 22:39:03,077 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 22:39:03,078 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:39:03,078 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:39:03,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:39:03,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:39:03,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:39:03,164 INFO L158 Benchmark]: Toolchain (without parser) took 2775.55ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 119.4MB in the beginning and 124.8MB in the end (delta: -5.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-08 22:39:03,164 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:03,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.77ms. Allocated memory is still 159.4MB. Free memory was 118.8MB in the beginning and 107.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:39:03,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.94ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:39:03,166 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 985.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:03,166 INFO L158 Benchmark]: RCFGBuilder took 236.02ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 95.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:39:03,171 INFO L158 Benchmark]: CodeCheck took 2141.42ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 95.3MB in the beginning and 128.9MB in the end (delta: -33.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-08 22:39:03,171 INFO L158 Benchmark]: Witness Printer took 96.98ms. Allocated memory is still 201.3MB. Free memory was 128.9MB in the beginning and 124.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:39:03,174 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 68 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 388 SyntacticMatches, 21 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 4/7 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: 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 2 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for foo Derived contract for procedure foo. Requires: (0 < x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.77ms. Allocated memory is still 159.4MB. Free memory was 118.8MB in the beginning and 107.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.94ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 985.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 236.02ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 95.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2141.42ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 95.3MB in the beginning and 128.9MB in the end (delta: -33.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 96.98ms. Allocated memory is still 201.3MB. Free memory was 128.9MB in the beginning and 124.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:39:03,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345725ab-a3aa-4184-870b-c6433de6de77/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE