./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-loops/diamond_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/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_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-loops/diamond_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfc9b98f01b5740214418c1e274ef62d42bd44052b6c9ba666982a6bcd7671c6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:55,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:55,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:19:55,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:19:55,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:19:55,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:55,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:55,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:55,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:55,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:55,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:55,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:55,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:19:55,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:19:55,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:19:55,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:55,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:55,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:55,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:55,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:55,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:19:55,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:55,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:55,411 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:55,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:55,412 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:55,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:55,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:55,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:55,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:55,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:55,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:19:55,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:19:55,414 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_358f698c-b74e-415e-978c-f385ea88ef25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc9b98f01b5740214418c1e274ef62d42bd44052b6c9ba666982a6bcd7671c6 [2024-11-09 00:19:55,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:55,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:55,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:55,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:55,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:55,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector-loops/diamond_2-1.c Unable to find full path for "g++" [2024-11-09 00:19:57,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:57,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:57,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/sv-benchmarks/c/bitvector-loops/diamond_2-1.c [2024-11-09 00:19:57,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/data/eb486c227/32960f81038c4ab6861e08f6be844a93/FLAG9417cf188 [2024-11-09 00:19:58,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/data/eb486c227/32960f81038c4ab6861e08f6be844a93 [2024-11-09 00:19:58,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:58,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:58,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:58,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:58,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:58,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c4b4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58, skipping insertion in model container [2024-11-09 00:19:58,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:58,552 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/sv-benchmarks/c/bitvector-loops/diamond_2-1.c[373,386] [2024-11-09 00:19:58,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:58,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:58,596 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/sv-benchmarks/c/bitvector-loops/diamond_2-1.c[373,386] [2024-11-09 00:19:58,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:58,631 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:58,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58 WrapperNode [2024-11-09 00:19:58,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:58,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:58,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:58,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:58,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,662 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-09 00:19:58,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:58,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:58,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:58,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:58,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:58,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:58,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:58,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:58,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:58" (1/1) ... [2024-11-09 00:19:58,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:58,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:58,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:58,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:19:58,848 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:58,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:59,125 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:59,125 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:59,343 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:59,344 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:19:59,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:59 BoogieIcfgContainer [2024-11-09 00:19:59,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:59,345 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:59,345 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:59,368 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:59,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:59" (1/1) ... [2024-11-09 00:19:59,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:19:59,442 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:19:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:19:59,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:59,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:59,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:19:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-09 00:19:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-09 00:19:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:19:59,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:59,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:19:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-09 00:19:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-09 00:19:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:19:59,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:59,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:19:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:59,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:19:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:59,999 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-09 00:20:00,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:20:00 ImpRootNode [2024-11-09 00:20:00,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:20:00,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:20:00,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:20:00,036 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:20:00,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:59" (3/4) ... [2024-11-09 00:20:00,038 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:20:00,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:20:00,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:20:00,089 INFO L158 Benchmark]: Toolchain (without parser) took 1762.79ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 84.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-09 00:20:00,090 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:00,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.84ms. Allocated memory is still 148.9MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:20:00,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.27ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 94.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:20:00,091 INFO L158 Benchmark]: Boogie Preprocessor took 22.55ms. Allocated memory is still 148.9MB. Free memory was 94.9MB in the beginning and 93.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:20:00,092 INFO L158 Benchmark]: RCFGBuilder took 657.64ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 115.2MB in the end (delta: -21.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-09 00:20:00,092 INFO L158 Benchmark]: CodeCheck took 687.60ms. Allocated memory is still 148.9MB. Free memory was 115.2MB in the beginning and 86.8MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 00:20:00,093 INFO L158 Benchmark]: Witness Printer took 53.49ms. Allocated memory is still 148.9MB. Free memory was 86.7MB in the beginning and 84.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:20:00,096 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 10 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] unsigned int x = 0; [L15] unsigned int y = __VERIFIER_nondet_uint(); [L17] COND FALSE !(x < 99) VAL [x=0] [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L19] x += 2 [L21] COND FALSE !(y % 2 == 0) [L22] x -= 2 [L24] COND FALSE !(y % 2 == 0) [L25] x += 2 [L27] COND FALSE !(y % 2 == 0) [L28] x -= 2 [L30] COND FALSE !(y % 2 == 0) [L31] x += 2 [L33] COND FALSE !(y % 2 == 0) [L34] x -= 4 [L36] COND FALSE !(y % 2 == 0) [L37] x += 4 [L39] COND FALSE !(y % 2 == 0) [L40] x += 2 [L42] COND FALSE !(y % 2 == 0) [L43] x -= 4 [L45] COND FALSE !(y % 2 == 0) [L46] x -= 4 VAL [x=-4, y=1] [L17] COND TRUE x < 99 VAL [x=-4, y=1] [L49] CALL __VERIFIER_assert((x % 2) == (y % 2)) [L7] COND TRUE !(cond) [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.84ms. Allocated memory is still 148.9MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.27ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 94.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.55ms. Allocated memory is still 148.9MB. Free memory was 94.9MB in the beginning and 93.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.64ms. Allocated memory is still 148.9MB. Free memory was 93.3MB in the beginning and 115.2MB in the end (delta: -21.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 687.60ms. Allocated memory is still 148.9MB. Free memory was 115.2MB in the beginning and 86.8MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 53.49ms. Allocated memory is still 148.9MB. Free memory was 86.7MB in the beginning and 84.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:20:00,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358f698c-b74e-415e-978c-f385ea88ef25/bin/ukojak-verify-ImItNfHLgk/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