./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d28004f57c6988e792d07d7254dfd532aeffd19f38063d85c3bfa2c0f504914f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:49,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:49,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:53:49,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:53:49,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:53:49,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:49,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:49,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:49,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:49,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:49,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:49,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:49,885 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:53:49,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:53:49,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:53:49,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:49,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:49,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:49,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:49,889 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:53:49,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:53:49,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:53:49,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:49,891 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:49,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:49,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:49,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:49,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:49,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:49,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:49,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:49,896 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:53:49,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:53:49,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:49,897 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_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d28004f57c6988e792d07d7254dfd532aeffd19f38063d85c3bfa2c0f504914f [2023-11-11 23:53:50,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:50,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:50,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:50,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:50,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:50,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-simple/nested_2.c [2023-11-11 23:53:53,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:53,523 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:53,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/sv-benchmarks/c/loop-simple/nested_2.c [2023-11-11 23:53:53,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/data/01b766540/dc11d0d9269448b688924d6269fec6a5/FLAG7ccbd80a1 [2023-11-11 23:53:53,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/data/01b766540/dc11d0d9269448b688924d6269fec6a5 [2023-11-11 23:53:53,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:53,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:53,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:53,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:53,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:53,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2270e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53, skipping insertion in model container [2023-11-11 23:53:53,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:53,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:53,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:53,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:53,768 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:53,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53 WrapperNode [2023-11-11 23:53:53,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:53,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:53,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:53,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:53,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,803 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-11-11 23:53:53,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:53,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:53,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:53,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:53,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:53,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:53,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:53,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:53,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:53" (1/1) ... [2023-11-11 23:53:53,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:53,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:53,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:53:53,965 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:53,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:54,148 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:54,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:54,179 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:53:54,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:54 BoogieIcfgContainer [2023-11-11 23:53:54,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:54,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:54,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:54,194 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:54,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:54" (1/1) ... [2023-11-11 23:53:54,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-11 23:53:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-11 23:53:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:53:54,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-11 23:53:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-11 23:53:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:53:54,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:54,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:53:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:53:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:53:54,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:54,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:54,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:54,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:53:54,702 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:53:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:53:54,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-11 23:53:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-11 23:53:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:53:54,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:54,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-11 23:53:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-11 23:53:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:53:55,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:55,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-11 23:53:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-11 23:53:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:55,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:55,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:53:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-11 23:53:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-11 23:53:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:55,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:55,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-11 23:53:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-11 23:53:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:55,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:55,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:53:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-11-11 23:53:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-11 23:53:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:56,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:56,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:53:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-11 23:53:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-11 23:53:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:53:56,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:56,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:53:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-11 23:53:56,324 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-11 23:53:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:53:56,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:56,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:53:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2023-11-11 23:53:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-11 23:53:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:53:57,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:57,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:53:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2023-11-11 23:53:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-11 23:53:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:53:57,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:57,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-11-11 23:53:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-11-11 23:53:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:53:58,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-11 23:53:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2023-11-11 23:53:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-11 23:53:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:53:58,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:53:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-11-11 23:53:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-11 23:53:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:53:58,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:58,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:53:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2023-11-11 23:53:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-11 23:53:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:53:59,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-11 23:54:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2023-11-11 23:54:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-11-11 23:54:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:54:00,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:00,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-11 23:54:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-11-11 23:54:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-11-11 23:54:00,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:54:00,821 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-11-11 23:54:00,834 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-11 23:54:01,206 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-11 23:54:01,215 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-11 23:54:01,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:54:01 ImpRootNode [2023-11-11 23:54:01,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:54:01,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:54:01,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:54:01,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:54:01,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:54" (3/4) ... [2023-11-11 23:54:01,220 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:54:01,228 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-11 23:54:01,229 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-11 23:54:01,229 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:54:01,230 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:54:01,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:54:01,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:54:01,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:54:01,349 INFO L158 Benchmark]: Toolchain (without parser) took 7796.91ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 110.2MB in the beginning and 82.6MB in the end (delta: 27.6MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,354 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:01,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.06ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 100.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.21ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 99.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,355 INFO L158 Benchmark]: Boogie Preprocessor took 22.57ms. Allocated memory is still 144.7MB. Free memory was 99.1MB in the beginning and 97.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,356 INFO L158 Benchmark]: RCFGBuilder took 354.13ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 111.7MB in the end (delta: -14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,356 INFO L158 Benchmark]: CodeCheck took 7032.84ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.7MB in the beginning and 86.8MB in the end (delta: 24.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,357 INFO L158 Benchmark]: Witness Printer took 131.50ms. Allocated memory is still 174.1MB. Free memory was 86.8MB in the beginning and 82.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:01,359 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 949 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 736 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 808 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3062 IncrementalHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 808 mSolverCounterUnsat, 52 mSDtfsCounter, 3062 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2370 GetRequests, 2183 SyntacticMatches, 35 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10999 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 397/446 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((a <= 5) && (1 <= a)) && (0 <= (b + 2147483648))) || (((0 <= (a + 2147483648)) && (a < 1)) && (0 <= (b + 2147483648)))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= (a + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.06ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 100.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.21ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 99.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.57ms. Allocated memory is still 144.7MB. Free memory was 99.1MB in the beginning and 97.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.13ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 111.7MB in the end (delta: -14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 7032.84ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.7MB in the beginning and 86.8MB in the end (delta: 24.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 131.50ms. Allocated memory is still 174.1MB. Free memory was 86.8MB in the beginning and 82.6MB 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! [2023-11-11 23:54:01,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba9ae33-95e6-46a0-bf98-e448c91ba591/bin/ukojak-verify-0OAaufAVZV/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