./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/count_by_1.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_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/count_by_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b --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 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:58:12,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:58:12,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:58:12,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:58:12,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:58:12,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:58:12,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:58:12,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:58:12,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:58:12,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:58:12,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:58:12,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:58:12,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:58:12,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:58:12,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:58:12,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:58:12,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:58:12,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:58:12,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:58:12,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:58:12,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:58:12,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:58:12,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:58:12,911 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:58:12,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:58:12,912 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_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b 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 -> 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 [2024-12-05 23:58:13,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:58:13,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:58:13,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:58:13,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:58:13,166 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:58:13,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-new/count_by_1.i [2024-12-05 23:58:16,070 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/data/68d6ceb14/2a0cc66cb54544e39c783db31e902c72/FLAGa98241550 [2024-12-05 23:58:16,239 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:58:16,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/sv-benchmarks/c/loop-new/count_by_1.i [2024-12-05 23:58:16,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/data/68d6ceb14/2a0cc66cb54544e39c783db31e902c72/FLAGa98241550 [2024-12-05 23:58:16,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/data/68d6ceb14/2a0cc66cb54544e39c783db31e902c72 [2024-12-05 23:58:16,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:58:16,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:58:16,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:58:16,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:58:16,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:58:16,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8aecafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16, skipping insertion in model container [2024-12-05 23:58:16,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:58:16,778 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_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2024-12-05 23:58:16,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:58:16,802 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:58:16,816 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_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2024-12-05 23:58:16,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:58:16,837 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:58:16,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16 WrapperNode [2024-12-05 23:58:16,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:58:16,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:58:16,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:58:16,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:58:16,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,871 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-12-05 23:58:16,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:58:16,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:58:16,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:58:16,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:58:16,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,885 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:58:16,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:58:16,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:58:16,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:58:16,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:16" (1/1) ... [2024-12-05 23:58:16,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:58:16,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:58:16,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:58:16,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:58:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:58:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:58:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:58:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:58:17,026 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:58:17,028 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:58:17,119 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:58:17,119 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:58:17,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:58:17,150 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:58:17,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:17 BoogieIcfgContainer [2024-12-05 23:58:17,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:58:17,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:58:17,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:58:17,163 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:58:17,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:17" (1/1) ... [2024-12-05 23:58:17,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:58:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:58:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:58:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:58:17,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:17,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:58:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:58:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:58:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:58:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:58:17,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:17,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:58:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:58:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 23:58:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 23:58:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:58:17,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:17,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:58:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:58:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2024-12-05 23:58:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2024-12-05 23:58:17,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:58:17,803 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-05 23:58:17,812 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:58:17,839 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:58:17,839 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-12-05 23:58:17,839 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:58:17,840 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-12-05 23:58:17,840 INFO L77 FloydHoareUtils]: At program point L26-3(line 26) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1000000) [2024-12-05 23:58:17,840 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-12-05 23:58:17,840 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-12-05 23:58:17,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:58:17 ImpRootNode [2024-12-05 23:58:17,850 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:58:17,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:58:17,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:58:17,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:58:17,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:17" (3/4) ... [2024-12-05 23:58:17,853 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:58:17,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-05 23:58:17,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 23:58:17,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:58:17,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:58:17,927 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:58:17,928 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:58:17,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:58:17,929 INFO L158 Benchmark]: Toolchain (without parser) took 1309.63ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 40.6MB in the end (delta: 52.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 23:58:17,929 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:17,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:58:17,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.91ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 833.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:17,930 INFO L158 Benchmark]: Boogie Preprocessor took 20.29ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 851.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:17,930 INFO L158 Benchmark]: RCFGBuilder took 256.92ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 70.9MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:58:17,931 INFO L158 Benchmark]: CodeCheck took 698.97ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 44.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:58:17,931 INFO L158 Benchmark]: Witness Printer took 77.32ms. Allocated memory is still 117.4MB. Free memory was 44.9MB in the beginning and 40.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:58:17,933 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 9 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 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: 26]: Loop Invariant Derived loop invariant: (i <= 1000000) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.91ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 833.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.29ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 851.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.92ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 70.9MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 698.97ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 44.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 77.32ms. Allocated memory is still 117.4MB. Free memory was 44.9MB in the beginning and 40.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:58:17,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0d9ffc-13ec-4519-a2ec-9a38335416e2/bin/ukojak-verify-CZk0znPC7b/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