./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c --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_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/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_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/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_67d783a4-dc59-4b45-9649-c7151b36470a/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 0085780b6a5384f0bbe6d5f11dabc3e1229a09ebe51547a1a74560868441797c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:24:26,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:24:26,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:24:26,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:24:26,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:24:26,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:24:26,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:24:26,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:24:26,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:24:26,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:24:26,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:24:26,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:24:26,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:24:26,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:24:26,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:24:26,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:24:26,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:24:26,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:24:26,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:24:26,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:24:26,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:24:26,589 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:24:26,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:24:26,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:24:26,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:24:26,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:24:26,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:24:26,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:26,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:24:26,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:24:26,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:24:26,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:24:26,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:24:26,591 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_67d783a4-dc59-4b45-9649-c7151b36470a/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 -> 0085780b6a5384f0bbe6d5f11dabc3e1229a09ebe51547a1a74560868441797c [2024-11-25 03:24:26,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:24:27,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:24:27,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:24:27,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:24:27,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:24:27,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2024-11-25 03:24:30,294 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/data/3411508e5/fb0834d39cce4adc89c34cd8d062e763/FLAGfcb0b62a8 [2024-11-25 03:24:30,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:24:30,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2024-11-25 03:24:30,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/data/3411508e5/fb0834d39cce4adc89c34cd8d062e763/FLAGfcb0b62a8 [2024-11-25 03:24:30,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/data/3411508e5/fb0834d39cce4adc89c34cd8d062e763 [2024-11-25 03:24:30,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:24:30,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:24:30,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:30,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:24:30,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:24:30,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:30" (1/1) ... [2024-11-25 03:24:30,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209cb4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:30, skipping insertion in model container [2024-11-25 03:24:30,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:30" (1/1) ... [2024-11-25 03:24:30,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:24:31,172 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_67d783a4-dc59-4b45-9649-c7151b36470a/sv-benchmarks/c/eca-rers2012/Problem10_label52.c[4790,4803] [2024-11-25 03:24:31,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:31,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:24:31,375 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_67d783a4-dc59-4b45-9649-c7151b36470a/sv-benchmarks/c/eca-rers2012/Problem10_label52.c[4790,4803] [2024-11-25 03:24:31,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:31,533 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:24:31,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31 WrapperNode [2024-11-25 03:24:31,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:31,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:31,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:24:31,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:24:31,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,648 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 03:24:31,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:31,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:24:31,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:24:31,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:24:31,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:24:31,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:24:31,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:24:31,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:24:31,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:31" (1/1) ... [2024-11-25 03:24:31,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:31,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:24:31,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:24:31,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:24:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:24:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:24:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:24:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:24:31,924 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:24:31,927 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:24:33,646 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 03:24:33,647 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:24:37,010 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:24:37,011 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:24:37,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:37 BoogieIcfgContainer [2024-11-25 03:24:37,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:24:37,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:24:37,013 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:24:37,025 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:24:37,025 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:37" (1/1) ... [2024-11-25 03:24:37,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:24:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:24:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:24:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:24:37,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:37,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:24:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:37,399 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 03:24:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 03:24:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 03:24:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:24:37,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:37,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:24:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:24:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-25 03:24:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-25 03:24:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:24:54,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:24:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:25:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-11-25 03:25:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-11-25 03:25:21,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:25:21,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:21,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:25:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2024-11-25 03:25:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2024-11-25 03:25:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:25:32,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 03:25:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2024-11-25 03:25:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2024-11-25 03:25:45,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:25:45,193 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 03:25:45,203 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:25:45,774 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< (+ ~a1~0 13) 0) (not (= ~a10~0 3))) .cse0 .cse1) (and (or (< 331504 ~a1~0) (not (= ~a19~0 8))) .cse0 .cse1))) [2024-11-25 03:25:45,776 INFO L77 FloydHoareUtils]: At program point L136-1(lines 30 584) the Hoare annotation is: (and (or (< (+ ~a1~0 12) 0) (not (= ~a19~0 8)) (< 38 ~a1~0) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:25:45,776 INFO L75 FloydHoareUtils]: For program point L137(line 137) no Hoare annotation was computed. [2024-11-25 03:25:45,776 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 03:25:45,777 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:25:45,777 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:25:45,777 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< (+ ~a1~0 13) 0) (not (= ~a10~0 3))) .cse0 .cse1) (and (or (< 331504 ~a1~0) (not (= ~a19~0 8))) .cse0 .cse1))) [2024-11-25 03:25:45,777 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2024-11-25 03:25:45,778 INFO L77 FloydHoareUtils]: At program point L133-1(lines 30 584) the Hoare annotation is: (let ((.cse1 (+ ~a1~0 12)) (.cse2 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0)) (.cse0 (= ~a10~0 0))) (or (and .cse0 (<= 0 .cse1) (<= ~a1~0 38) .cse2 .cse3) (and (not (= ~a19~0 8)) .cse2 .cse3) (and (or (< .cse1 0) (< 38 ~a1~0) (not (= ~a10~0 3))) .cse2 .cse3 (not .cse0)))) [2024-11-25 03:25:45,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:25:45 ImpRootNode [2024-11-25 03:25:45,801 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:25:45,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:25:45,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:25:45,802 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:25:45,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:37" (3/4) ... [2024-11-25 03:25:45,806 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:25:45,840 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2024-11-25 03:25:45,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 03:25:45,842 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:25:45,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:25:46,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:25:46,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:25:46,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:25:46,037 INFO L158 Benchmark]: Toolchain (without parser) took 75125.16ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 117.7MB in the beginning and 787.8MB in the end (delta: -670.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 03:25:46,038 INFO L158 Benchmark]: CDTParser took 1.75ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:25:46,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.25ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 90.5MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:25:46,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.13ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 83.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:25:46,039 INFO L158 Benchmark]: Boogie Preprocessor took 102.94ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 78.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:25:46,039 INFO L158 Benchmark]: RCFGBuilder took 5258.26ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 78.2MB in the beginning and 261.9MB in the end (delta: -183.7MB). Peak memory consumption was 237.4MB. Max. memory is 16.1GB. [2024-11-25 03:25:46,040 INFO L158 Benchmark]: CodeCheck took 68788.83ms. Allocated memory was 419.4MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 261.9MB in the beginning and 800.2MB in the end (delta: -538.3MB). Peak memory consumption was 920.6MB. Max. memory is 16.1GB. [2024-11-25 03:25:46,040 INFO L158 Benchmark]: Witness Printer took 234.30ms. Allocated memory is still 1.9GB. Free memory was 800.2MB in the beginning and 787.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:25:46,043 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: 68.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 341 IncrementalHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 63 mSDtfsCounter, 341 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 451 SyntacticMatches, 19 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1728 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 63.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/44 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: 137]: 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: 592]: Loop Invariant Derived loop invariant: (((((((long long) a1 + 13) < 0) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) || ((((331504 < a1) || (a19 != 8)) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((((long long) a1 + 12) < 0) || (a19 != 8)) || (38 < a1)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.25ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 90.5MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.13ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 83.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.94ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 78.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5258.26ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 78.2MB in the beginning and 261.9MB in the end (delta: -183.7MB). Peak memory consumption was 237.4MB. Max. memory is 16.1GB. * CodeCheck took 68788.83ms. Allocated memory was 419.4MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 261.9MB in the beginning and 800.2MB in the end (delta: -538.3MB). Peak memory consumption was 920.6MB. Max. memory is 16.1GB. * Witness Printer took 234.30ms. Allocated memory is still 1.9GB. Free memory was 800.2MB in the beginning and 787.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:25:46,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d783a4-dc59-4b45-9649-c7151b36470a/bin/ukojak-verify-ENZ3QT5qd3/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