./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL --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 29fba5f4ac17a20a4ac674b5e14b38ca5eb595a28b35584823725860f0338438 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:50,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:50,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:57:50,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:50,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:50,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:50,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:50,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:50,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:50,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:50,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:50,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:50,317 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:50,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:50,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:50,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:50,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:50,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:50,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:50,322 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:50,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:50,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:50,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:50,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:50,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:50,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:50,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:50,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:50,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:50,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:50,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:50,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:50,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:50,345 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_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29fba5f4ac17a20a4ac674b5e14b38ca5eb595a28b35584823725860f0338438 [2023-11-19 02:57:50,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:50,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:50,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:50,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:50,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:50,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i [2023-11-19 02:57:53,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:53,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:53,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i [2023-11-19 02:57:53,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/data/a7cff7a7f/1a5473d2fe2843a59aee3cf7892aa57c/FLAGd3850284d [2023-11-19 02:57:53,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/data/a7cff7a7f/1a5473d2fe2843a59aee3cf7892aa57c [2023-11-19 02:57:53,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:53,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:53,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:53,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:53,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:53,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e69b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53, skipping insertion in model container [2023-11-19 02:57:53,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:54,096 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_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i[297,310] [2023-11-19 02:57:54,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:54,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:54,131 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_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/sv-benchmarks/c/ldv-regression/mutex_lock_int.c_1.i[297,310] [2023-11-19 02:57:54,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:54,148 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:54,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54 WrapperNode [2023-11-19 02:57:54,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:54,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:54,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:54,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:54,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,177 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2023-11-19 02:57:54,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:54,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:54,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:54,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:54,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:54,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:54,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:54,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:54,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:54,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:54,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:54,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure err [2023-11-19 02:57:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2023-11-19 02:57:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:57:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:57:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:57:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:57:54,364 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:54,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:54,478 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:54,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:54,507 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:57:54,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:54 BoogieIcfgContainer [2023-11-19 02:57:54,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:54,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:54,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:54,522 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:54,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 02:57:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 02:57:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:57:54,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:54,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-11-19 02:57:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-19 02:57:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:57:54,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:54,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2023-11-19 02:57:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-19 02:57:55,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:57:55,339 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-19 02:57:55,348 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:57:55,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:57:55 ImpRootNode [2023-11-19 02:57:55,381 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:57:55,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:57:55,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:57:55,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:57:55,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:54" (3/4) ... [2023-11-19 02:57:55,387 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:57:55,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2023-11-19 02:57:55,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 02:57:55,399 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 02:57:55,399 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:57:55,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 02:57:55,500 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:57:55,501 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:57:55,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:57:55,502 INFO L158 Benchmark]: Toolchain (without parser) took 1563.02ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 108.1MB in the beginning and 159.6MB in the end (delta: -51.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,503 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:55,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.61ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 98.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.59ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,504 INFO L158 Benchmark]: Boogie Preprocessor took 16.61ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 831.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:55,504 INFO L158 Benchmark]: RCFGBuilder took 316.11ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 84.6MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,505 INFO L158 Benchmark]: CodeCheck took 869.40ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 84.6MB in the beginning and 163.8MB in the end (delta: -79.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:55,506 INFO L158 Benchmark]: Witness Printer took 119.05ms. Allocated memory is still 216.0MB. Free memory was 163.8MB in the beginning and 159.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 9 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 - PositiveResult [Line: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * 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 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.61ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 98.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.59ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.61ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 95.5MB in the end (delta: 831.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.11ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 84.6MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 869.40ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 84.6MB in the beginning and 163.8MB in the end (delta: -79.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.05ms. Allocated memory is still 216.0MB. Free memory was 163.8MB in the beginning and 159.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:57:55,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd20ff0c-3b94-4548-ad0f-ccf2df12f426/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE