./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9 --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 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:54:49,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:54:49,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:54:49,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:54:49,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:54:49,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:54:49,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:54:49,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:54:49,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:54:49,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:54:49,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:54:49,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:54:49,587 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:54:49,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:54:49,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:54:49,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:54:49,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:54:49,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:54:49,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:54:49,591 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:54:49,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:54:49,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:54:49,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:54:49,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:54:49,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:54:49,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:54:49,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:49,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:54:49,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:54:49,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:54:49,596 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:54:49,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:54:49,597 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:54:49,598 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_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75f53c568c86c59ddc62d2fd150ff0a5ed9b51ea17cada3ff1a95dec57d9167c [2023-12-03 03:54:49,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:54:49,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:54:49,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:54:49,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:54:49,847 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:54:49,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/locks/test_locks_14-2.c [2023-12-03 03:54:52,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:54:52,741 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:54:52,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/sv-benchmarks/c/locks/test_locks_14-2.c [2023-12-03 03:54:52,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/data/22a05b55f/b05b741d1e67413881b8205025326c90/FLAG9b14825ef [2023-12-03 03:54:52,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/data/22a05b55f/b05b741d1e67413881b8205025326c90 [2023-12-03 03:54:52,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:54:52,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:54:52,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:52,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:54:52,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:54:52,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:52" (1/1) ... [2023-12-03 03:54:52,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5647d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:52, skipping insertion in model container [2023-12-03 03:54:52,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:52" (1/1) ... [2023-12-03 03:54:52,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:54:52,955 WARN L240 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_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/sv-benchmarks/c/locks/test_locks_14-2.c[5305,5318] [2023-12-03 03:54:52,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:52,970 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:54:52,997 WARN L240 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_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/sv-benchmarks/c/locks/test_locks_14-2.c[5305,5318] [2023-12-03 03:54:52,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:53,012 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:54:53,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53 WrapperNode [2023-12-03 03:54:53,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:53,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:53,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:54:53,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:54:53,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,049 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 198 [2023-12-03 03:54:53,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:53,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:54:53,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:54:53,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:54:53,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:54:53,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:54:53,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:54:53,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:54:53,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:53,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:54:53,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:54:53,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:54:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:54:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:54:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:54:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:54:53,224 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:54:53,226 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:54:53,440 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:54:53,544 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:54:53,544 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:54:53,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:53 BoogieIcfgContainer [2023-12-03 03:54:53,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:54:53,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:54:53,547 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:54:53,554 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:54:53,554 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:53" (1/1) ... [2023-12-03 03:54:53,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:54:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2023-12-03 03:54:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2023-12-03 03:54:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:54:53,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2023-12-03 03:54:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2023-12-03 03:54:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:54:53,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:53,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:53,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:54:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:54,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:54:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:54,056 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:54:54,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:54:54 ImpRootNode [2023-12-03 03:54:54,087 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:54:54,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:54:54,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:54:54,088 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:54:54,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:53" (3/4) ... [2023-12-03 03:54:54,090 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:54:54,151 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:54:54,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:54:54,152 INFO L158 Benchmark]: Toolchain (without parser) took 1386.77ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 57.0MB in the beginning and 104.7MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:54,152 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:54,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.62ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 56.9MB in the beginning and 119.2MB in the end (delta: -62.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-12-03 03:54:54,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.71ms. Allocated memory is still 157.3MB. Free memory was 119.2MB in the beginning and 117.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:54,154 INFO L158 Benchmark]: Boogie Preprocessor took 25.70ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 115.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:54,154 INFO L158 Benchmark]: RCFGBuilder took 469.78ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 88.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 03:54:54,154 INFO L158 Benchmark]: CodeCheck took 540.53ms. Allocated memory is still 157.3MB. Free memory was 88.4MB in the beginning and 106.8MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:54,155 INFO L158 Benchmark]: Witness Printer took 63.16ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:54,157 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 19 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 219]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND FALSE !(p3 != 0) [L100] COND TRUE p4 != 0 [L101] lk4 = 1 [L104] COND FALSE !(p5 != 0) [L108] COND FALSE !(p6 != 0) [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND FALSE !(p8 != 0) [L120] COND FALSE !(p9 != 0) [L124] COND FALSE !(p10 != 0) [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND FALSE !(p12 != 0) [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] [L146] COND FALSE !(p1 != 0) VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] [L151] COND FALSE !(p2 != 0) VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] [L219] reach_error() VAL [cond=-1, lk10=0, lk11=1, lk12=0, lk13=1, lk14=1, lk1=0, lk2=0, lk3=0, lk4=1, lk5=0, lk6=0, lk7=1, lk8=0, lk9=0, p10=0, p11=-1, p12=0, p13=-1, p14=-1, p1=0, p2=0, p3=0, p4=-1, p5=0, p6=0, p7=-1, p8=0, p9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.62ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 56.9MB in the beginning and 119.2MB in the end (delta: -62.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.71ms. Allocated memory is still 157.3MB. Free memory was 119.2MB in the beginning and 117.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.70ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 115.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.78ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 88.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 540.53ms. Allocated memory is still 157.3MB. Free memory was 88.4MB in the beginning and 106.8MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.16ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 104.7MB 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! [2023-12-03 03:54:54,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e31ccb-98c4-4a8e-8f5c-1b4e2ea418ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE