./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b --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 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:43:19,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:43:19,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:43:19,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:43:19,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:43:19,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:43:19,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:43:19,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:43:19,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:43:19,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:43:19,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:43:19,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:43:19,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:43:19,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:43:19,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:43:19,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:43:19,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:43:19,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:19,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:43:19,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:43:19,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:43:19,439 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:43:19,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:43:19,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b 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 -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2024-12-06 01:43:19,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:43:19,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:43:19,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:43:19,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:43:19,684 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:43:19,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2024-12-06 01:43:22,360 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/data/78ca7f8f7/fdb350b1a4d24256a65849f630f0e5b7/FLAG4596dc58d [2024-12-06 01:43:22,531 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:43:22,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2024-12-06 01:43:22,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/data/78ca7f8f7/fdb350b1a4d24256a65849f630f0e5b7/FLAG4596dc58d [2024-12-06 01:43:22,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/data/78ca7f8f7/fdb350b1a4d24256a65849f630f0e5b7 [2024-12-06 01:43:22,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:43:22,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:43:22,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:22,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:43:22,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:43:22,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:22" (1/1) ... [2024-12-06 01:43:22,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18466f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:22, skipping insertion in model container [2024-12-06 01:43:22,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:22" (1/1) ... [2024-12-06 01:43:22,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:43:23,040 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_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2024-12-06 01:43:23,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:23,062 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:43:23,069 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_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2024-12-06 01:43:23,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:23,083 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:43:23,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23 WrapperNode [2024-12-06 01:43:23,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:23,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:23,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:43:23,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:43:23,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,109 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-12-06 01:43:23,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:23,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:43:23,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:43:23,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:43:23,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,119 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:43:23,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:43:23,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:43:23,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:43:23,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:23,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:43:23,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:43:23,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:43:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:43:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:43:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:43:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:43:23,227 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:43:23,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:43:23,285 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-12-06 01:43:23,285 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:43:23,308 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:43:23,308 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:43:23,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:23 BoogieIcfgContainer [2024-12-06 01:43:23,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:43:23,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:43:23,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:43:23,316 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:43:23,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:23" (1/1) ... [2024-12-06 01:43:23,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:43:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2024-12-06 01:43:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2024-12-06 01:43:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:43:23,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:23,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:43:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:43:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:43:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:43:23,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:43:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 01:43:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 01:43:23,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:43:23,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:23,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:23,733 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:43:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:23,770 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:43:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:23,781 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 01:43:23,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:43:23 ImpRootNode [2024-12-06 01:43:23,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:43:23,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:43:23,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:43:23,798 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:43:23,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:23" (3/4) ... [2024-12-06 01:43:23,799 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:43:23,826 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 01:43:23,860 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:43:23,860 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:43:23,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:43:23,861 INFO L158 Benchmark]: Toolchain (without parser) took 945.64ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 44.7MB in the end (delta: 48.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 01:43:23,861 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:23,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.00ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:43:23,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.27ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 835.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:23,862 INFO L158 Benchmark]: Boogie Preprocessor took 14.70ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 815.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:23,863 INFO L158 Benchmark]: RCFGBuilder took 183.05ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 71.4MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:43:23,863 INFO L158 Benchmark]: CodeCheck took 487.88ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 48.8MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:43:23,863 INFO L158 Benchmark]: Witness Printer took 62.98ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 44.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:43:23,865 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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, ConComCheckerStatistics: 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] int i=0; VAL [i=0] [L15] COND TRUE i<5 [L16] i++ VAL [i=1] [L18] (i!=3) ? (0) : __blast_assert () VAL [i=1] [L15] COND TRUE i<5 [L16] i++ VAL [i=2] [L18] (i!=3) ? (0) : __blast_assert () VAL [i=2] [L15] COND TRUE i<5 [L16] i++ VAL [i=3] [L18] (i!=3) ? (0) : __blast_assert () [L18] CALL __blast_assert () [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.00ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.27ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.5MB in the end (delta: 835.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.70ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 815.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 183.05ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 71.4MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 487.88ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 48.8MB in the end (delta: 22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 62.98ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 44.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:43:23,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c94d8ceb-2fa4-48cb-ae80-ba2c3a6070a7/bin/ukojak-verify-CZk0znPC7b/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