./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3 --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 d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:22:54,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:22:54,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:22:54,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:22:54,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:22:54,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:22:54,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:22:54,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:22:54,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:22:54,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:22:54,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:22:54,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:22:54,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:22:54,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:22:54,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:22:54,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:22:54,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:22:54,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:22:54,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:22:54,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:22:54,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:22:54,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:22:54,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:22:54,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:22:54,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:22:54,200 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:22:54,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:22:54,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:54,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:22:54,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:22:54,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:22:54,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:22:54,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:22:54,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3 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 -> d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 [2024-11-25 03:22:54,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:22:54,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:22:54,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:22:54,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:22:54,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:22:54,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2024-11-25 03:22:57,484 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/data/5febe715a/6ffb633081a94fdeb49b258ebf8a834a/FLAG02c3aaf0a [2024-11-25 03:22:57,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:22:57,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2024-11-25 03:22:57,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/data/5febe715a/6ffb633081a94fdeb49b258ebf8a834a/FLAG02c3aaf0a [2024-11-25 03:22:57,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/data/5febe715a/6ffb633081a94fdeb49b258ebf8a834a [2024-11-25 03:22:57,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:22:57,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:22:57,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:57,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:22:57,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:22:57,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:57" (1/1) ... [2024-11-25 03:22:57,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6fd9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:57, skipping insertion in model container [2024-11-25 03:22:57,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:57" (1/1) ... [2024-11-25 03:22:57,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:22:57,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2024-11-25 03:22:58,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:58,012 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:22:58,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2024-11-25 03:22:58,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:58,041 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:22:58,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58 WrapperNode [2024-11-25 03:22:58,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:58,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:58,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:22:58,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:22:58,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,069 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-25 03:22:58,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:58,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:22:58,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:22:58,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:22:58,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:22:58,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:22:58,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:22:58,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:22:58,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:58,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:22:58,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:22:58,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:22:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:22:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:22:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:22:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:22:58,232 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:22:58,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:22:58,374 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 03:22:58,374 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:22:58,429 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:22:58,429 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:22:58,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:58 BoogieIcfgContainer [2024-11-25 03:22:58,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:22:58,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:22:58,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:22:58,443 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:22:58,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:58" (1/1) ... [2024-11-25 03:22:58,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:22:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:22:58,509 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:22:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:22:58,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:58,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-25 03:22:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-25 03:22:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:22:58,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:58,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 03:22:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 03:22:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:22:59,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:59,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:22:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:22:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:22:59,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:22:59,818 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-25 03:22:59,828 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:22:59,899 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:22:59,899 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-25 03:22:59,899 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:22:59,900 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 24 37) the Hoare annotation is: true [2024-11-25 03:22:59,900 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (= |ULTIMATE.start_main_~lo~0#1| 0) [2024-11-25 03:22:59,900 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 34) the Hoare annotation is: (or (and (= |ULTIMATE.start_main_~hi~0#1| (+ (* 2 |ULTIMATE.start_main_~mid~0#1|) |ULTIMATE.start_main_~lo~0#1|)) (<= (+ |ULTIMATE.start_main_~lo~0#1| 2) |ULTIMATE.start_main_~hi~0#1|)) (and (<= |ULTIMATE.start_main_~mid~0#1| 0) (= |ULTIMATE.start_main_~hi~0#1| |ULTIMATE.start_main_~lo~0#1|))) [2024-11-25 03:22:59,900 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-25 03:22:59,900 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 03:22:59,901 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-25 03:22:59,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:22:59 ImpRootNode [2024-11-25 03:22:59,918 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:22:59,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:22:59,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:22:59,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:22:59,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:58" (3/4) ... [2024-11-25 03:22:59,923 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:22:59,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 03:22:59,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 03:22:59,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:22:59,931 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:23:00,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:23:00,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:23:00,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:23:00,018 INFO L158 Benchmark]: Toolchain (without parser) took 2189.63ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 62.6MB in the end (delta: 30.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-25 03:23:00,018 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:23:00,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.57ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:23:00,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.21ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:23:00,021 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 701.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:23:00,021 INFO L158 Benchmark]: RCFGBuilder took 330.07ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 70.8MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:23:00,021 INFO L158 Benchmark]: CodeCheck took 1487.14ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 67.1MB in the end (delta: 3.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-25 03:23:00,022 INFO L158 Benchmark]: Witness Printer took 94.96ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 62.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:23:00,025 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 19 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 114 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - 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: 30]: Loop Invariant Derived loop invariant: (((hi == (((long long) 2 * mid) + lo)) && (((long long) lo + 2) <= hi)) || ((mid <= 0) && (hi == lo))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.57ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.21ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 701.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.07ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 70.8MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1487.14ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 67.1MB in the end (delta: 3.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 94.96ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 62.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:23:00,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758e03ea-e5be-4442-86c8-dd967a7b8a82/bin/ukojak-verify-ENZ3QT5qd3/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