./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/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_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/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_7d0e081b-47ff-4e9c-aea5-70afd9541d52/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 f3aef2cb0383bc51116609eb7d5762e5307f0f48dd90c41df34c9f2444e8da09 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:56:42,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:56:42,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:56:42,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:56:42,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:56:42,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:56:42,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:56:42,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:56:42,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:56:42,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:56:42,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:56:42,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:56:42,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:56:42,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:56:42,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:56:42,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:56:42,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:56:42,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:56:42,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:56:42,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:56:42,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:56:42,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:56:42,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:56:42,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:56:42,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:56:42,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:56:42,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:56:42,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:56:42,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:56:42,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:56:42,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:56:42,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:56:42,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:56:42,548 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_7d0e081b-47ff-4e9c-aea5-70afd9541d52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3aef2cb0383bc51116609eb7d5762e5307f0f48dd90c41df34c9f2444e8da09 [2024-11-08 22:56:43,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:56:43,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:56:43,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:56:43,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:56:43,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:56:43,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test_while_int.i Unable to find full path for "g++" [2024-11-08 22:56:45,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:56:45,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:56:45,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/sv-benchmarks/c/ldv-regression/test_while_int.i [2024-11-08 22:56:45,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/data/367c0b225/6140a361a6a148d7af207254510a3dc4/FLAG4bf9f3bff [2024-11-08 22:56:45,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/data/367c0b225/6140a361a6a148d7af207254510a3dc4 [2024-11-08 22:56:45,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:56:45,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:56:45,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:56:45,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:56:45,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:56:45,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:56:45" (1/1) ... [2024-11-08 22:56:45,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e64a7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:45, skipping insertion in model container [2024-11-08 22:56:45,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:56:45" (1/1) ... [2024-11-08 22:56:45,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:56:46,017 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_7d0e081b-47ff-4e9c-aea5-70afd9541d52/sv-benchmarks/c/ldv-regression/test_while_int.i[296,309] [2024-11-08 22:56:46,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:56:46,044 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:56:46,053 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_7d0e081b-47ff-4e9c-aea5-70afd9541d52/sv-benchmarks/c/ldv-regression/test_while_int.i[296,309] [2024-11-08 22:56:46,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:56:46,070 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:56:46,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46 WrapperNode [2024-11-08 22:56:46,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:56:46,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:56:46,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:56:46,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:56:46,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,103 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 25 [2024-11-08 22:56:46,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:56:46,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:56:46,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:56:46,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:56:46,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:56:46,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:56:46,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:56:46,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:56:46,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:56:46,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:56:46,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:56:46,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:56:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:56:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:56:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:56:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:56:46,262 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:56:46,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:56:46,410 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:56:46,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:56:46,445 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:56:46,445 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:56:46,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:56:46 BoogieIcfgContainer [2024-11-08 22:56:46,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:56:46,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:56:46,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:56:46,458 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:56:46,459 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:56:46" (1/1) ... [2024-11-08 22:56:46,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:56:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:56:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:56:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:56:46,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:46,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:46,794 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 22:56:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:56:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:56:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:56:46,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:46,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:47,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:56:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:56:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:56:47,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:56:47,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:56:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:56:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:56:47,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:56:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:56:47,378 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 22:56:47,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:56:47 ImpRootNode [2024-11-08 22:56:47,412 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:56:47,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:56:47,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:56:47,414 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:56:47,414 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:56:46" (3/4) ... [2024-11-08 22:56:47,415 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:56:47,459 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:56:47,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:56:47,460 INFO L158 Benchmark]: Toolchain (without parser) took 1655.70ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 115.6MB in the beginning and 179.5MB in the end (delta: -63.9MB). Peak memory consumption was 700.0kB. Max. memory is 16.1GB. [2024-11-08 22:56:47,461 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:56:47,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.46ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 103.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:56:47,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.51ms. Allocated memory is still 155.2MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:56:47,463 INFO L158 Benchmark]: Boogie Preprocessor took 17.56ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:56:47,463 INFO L158 Benchmark]: RCFGBuilder took 323.64ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 91.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:56:47,464 INFO L158 Benchmark]: CodeCheck took 965.57ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 91.3MB in the beginning and 181.6MB in the end (delta: -90.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:56:47,465 INFO L158 Benchmark]: Witness Printer took 46.25ms. Allocated memory is still 218.1MB. Free memory was 181.6MB in the beginning and 179.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:56:47,472 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 2 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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: [L25] int i=0; VAL [i=0] [L26] COND FALSE !(i<5) VAL [i=0] [L26] COND TRUE i<5 [L27] i++ [L31] CALL check_error(i!=3) [L20] (b) ? (0) : __blast_assert () [L31] RET check_error(i!=3) [L26] COND FALSE !(i<5) VAL [i=1] [L26] COND TRUE i<5 [L27] i++ [L31] CALL check_error(i!=3) [L20] (b) ? (0) : __blast_assert () [L31] RET check_error(i!=3) [L26] COND FALSE !(i<5) VAL [i=2] [L26] COND TRUE i<5 [L27] i++ [L31] CALL check_error(i!=3) [L20] (b) ? (0) : __blast_assert () [L20] CALL __blast_assert () [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.46ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 103.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.51ms. Allocated memory is still 155.2MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.56ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.64ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 91.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 965.57ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 91.3MB in the beginning and 181.6MB in the end (delta: -90.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.25ms. Allocated memory is still 218.1MB. Free memory was 181.6MB in the beginning and 179.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:56:47,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0e081b-47ff-4e9c-aea5-70afd9541d52/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE