./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/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_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/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_6bc4d740-400a-493a-83f2-c023a94a0705/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 c5b4d49ed355d17b40c7c15c8d941a48fee7b460246f38a9abf01ac4ff49690a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:44:44,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:44:44,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:44:44,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:44:44,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:44:44,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:44:44,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:44:44,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:44:44,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:44:44,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:44:44,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:44:44,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:44:44,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:44:44,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:44:44,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:44:44,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:44:44,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:44:44,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:44:44,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:44:44,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:44:44,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:44:44,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:44:44,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:44:44,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:44:44,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:44:44,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:44:44,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:44,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:44:44,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:44:44,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:44:44,963 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:44:44,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:44:44,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:44:44,964 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_6bc4d740-400a-493a-83f2-c023a94a0705/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5b4d49ed355d17b40c7c15c8d941a48fee7b460246f38a9abf01ac4ff49690a [2023-12-02 23:44:45,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:44:45,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:44:45,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:44:45,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:44:45,206 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:44:45,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i [2023-12-02 23:44:47,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:44:48,158 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:44:48,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i [2023-12-02 23:44:48,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/data/613c34759/a2957242ba524de8a1905a5f7bc7af1a/FLAG3784a3745 [2023-12-02 23:44:48,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/data/613c34759/a2957242ba524de8a1905a5f7bc7af1a [2023-12-02 23:44:48,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:44:48,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:44:48,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:48,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:44:48,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:44:48,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f23543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48, skipping insertion in model container [2023-12-02 23:44:48,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:44:48,351 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_6bc4d740-400a-493a-83f2-c023a94a0705/sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i[1058,1071] [2023-12-02 23:44:48,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:48,369 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:44:48,379 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_6bc4d740-400a-493a-83f2-c023a94a0705/sv-benchmarks/c/unsignedintegeroverflow-sas23/cancel_var_through_overflow.i[1058,1071] [2023-12-02 23:44:48,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:48,394 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:44:48,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48 WrapperNode [2023-12-02 23:44:48,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:48,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:48,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:44:48,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:44:48,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,421 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-12-02 23:44:48,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:48,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:44:48,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:44:48,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:44:48,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:44:48,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:44:48,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:44:48,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:44:48,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:48,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:44:48,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:44:48,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:44:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:44:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:44:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:44:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:44:48,561 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:44:48,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:44:48,654 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:44:48,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:44:48,699 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:44:48,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:48 BoogieIcfgContainer [2023-12-02 23:44:48,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:44:48,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:44:48,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:44:48,713 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:44:48,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:48" (1/1) ... [2023-12-02 23:44:48,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:44:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 23:44:48,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 23:44:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:44:48,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:48,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-02 23:44:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-02 23:44:49,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:44:49,105 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 23:44:49,115 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:44:49,124 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:44:49,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:44:49 ImpRootNode [2023-12-02 23:44:49,128 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:44:49,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:44:49,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:44:49,143 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:44:49,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:48" (3/4) ... [2023-12-02 23:44:49,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:44:49,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-02 23:44:49,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 23:44:49,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:44:49,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:44:49,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:44:49,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:44:49,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:44:49,252 INFO L158 Benchmark]: Toolchain (without parser) took 1066.95ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 99.9MB in the beginning and 164.7MB in the end (delta: -64.8MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,253 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:44:49,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.17ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 89.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.91ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,254 INFO L158 Benchmark]: Boogie Preprocessor took 16.34ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 87.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,255 INFO L158 Benchmark]: RCFGBuilder took 262.55ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 76.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,255 INFO L158 Benchmark]: CodeCheck took 425.76ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 58.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,256 INFO L158 Benchmark]: Witness Printer took 122.63ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 58.5MB in the beginning and 164.7MB in the end (delta: -106.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-12-02 23:44:49,259 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 - PositiveResult [Line: 19]: 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 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.17ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 89.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.91ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 88.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.34ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 87.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.55ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 76.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 425.76ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 58.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 122.63ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 58.5MB in the beginning and 164.7MB in the end (delta: -106.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:44:49,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc4d740-400a-493a-83f2-c023a94a0705/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 Result: TRUE