./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.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_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/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_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/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_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/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 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:22:37,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:22:37,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:22:37,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:22:37,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:22:37,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:22:37,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:22:37,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:22:37,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:22:37,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:22:37,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:22:37,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:22:37,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:22:37,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:22:37,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:22:37,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:22:37,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:22:37,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:22:37,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:22:37,303 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_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/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 -> 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd [2024-12-05 23:22:37,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:22:37,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:22:37,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:22:37,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:22:37,553 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:22:37,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-12-05 23:22:40,153 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/data/0e398962b/281f645a59aa412483130db471e5c127/FLAG3d27f9a9a [2024-12-05 23:22:40,384 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:22:40,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-12-05 23:22:40,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/data/0e398962b/281f645a59aa412483130db471e5c127/FLAG3d27f9a9a [2024-12-05 23:22:40,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/data/0e398962b/281f645a59aa412483130db471e5c127 [2024-12-05 23:22:40,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:22:40,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:22:40,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:22:40,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:22:40,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:22:40,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:22:40" (1/1) ... [2024-12-05 23:22:40,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c6e5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:40, skipping insertion in model container [2024-12-05 23:22:40,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:22:40" (1/1) ... [2024-12-05 23:22:40,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:22:40,890 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_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2024-12-05 23:22:40,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:22:40,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:22:40,972 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_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2024-12-05 23:22:41,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:22:41,021 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:22:41,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41 WrapperNode [2024-12-05 23:22:41,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:22:41,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:22:41,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:22:41,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:22:41,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,071 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2024-12-05 23:22:41,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:22:41,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:22:41,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:22:41,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:22:41,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:22:41,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:22:41,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:22:41,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:22:41,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:22:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:22:41,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:22:41,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:22:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:22:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:22:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:22:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:22:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:22:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:22:41,236 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:22:41,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:22:41,654 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-05 23:22:41,654 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:22:41,901 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:22:41,901 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:22:41,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:22:41 BoogieIcfgContainer [2024-12-05 23:22:41,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:22:41,902 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:22:41,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:22:41,909 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:22:41,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:22:41" (1/1) ... [2024-12-05 23:22:41,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:22:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2024-12-05 23:22:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2024-12-05 23:22:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-05 23:22:41,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:22:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 17 proven. 41 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2024-12-05 23:22:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 108 states and 175 transitions. [2024-12-05 23:22:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2024-12-05 23:22:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-05 23:22:47,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:22:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 14 proven. 94 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2024-12-05 23:22:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2024-12-05 23:22:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2024-12-05 23:22:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-12-05 23:22:54,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:54,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:22:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3833 backedges. 79 proven. 149 refuted. 0 times theorem prover too weak. 3605 trivial. 0 not checked. [2024-12-05 23:23:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 257 states and 427 transitions. [2024-12-05 23:23:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 427 transitions. [2024-12-05 23:23:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-12-05 23:23:02,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:02,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:23:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 8710 backedges. 299 proven. 69 refuted. 0 times theorem prover too weak. 8342 trivial. 0 not checked. [2024-12-05 23:23:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 254 states and 422 transitions. [2024-12-05 23:23:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 422 transitions. [2024-12-05 23:23:11,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:23:11,567 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 23:23:11,576 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:23:12,948 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-12-05 23:23:12,948 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-12-05 23:23:12,948 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-12-05 23:23:12,948 INFO L77 FloydHoareUtils]: At program point L168(line 168) the Hoare annotation is: true [2024-12-05 23:23:12,948 INFO L77 FloydHoareUtils]: At program point L135(line 135) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L152(line 152) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L152-1(line 152) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L153(line 153) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L170(line 170) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L137(line 137) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L170-1(line 170) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L137-1(line 137) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L138(line 138) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L155(line 155) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L155-1(line 155) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L172(line 172) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L172-1(line 172) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L156(line 156) the Hoare annotation is: true [2024-12-05 23:23:12,949 INFO L77 FloydHoareUtils]: At program point L140(line 140) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L140-1(line 140) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L174(line 174) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L141(line 141) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L174-1(line 174) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L158(line 158) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L158-1(line 158) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L159(line 159) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L176(line 176) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L143(line 143) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L176-1(line 176) the Hoare annotation is: true [2024-12-05 23:23:12,950 INFO L77 FloydHoareUtils]: At program point L143-1(line 143) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L193-2(lines 193 199) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L144(line 144) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L161(line 161) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L161-1(line 161) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L178(line 178) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L178-1(lines 129 179) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L162(line 162) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L146(line 146) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L146-1(line 146) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L147(line 147) the Hoare annotation is: true [2024-12-05 23:23:12,951 INFO L77 FloydHoareUtils]: At program point L164(line 164) the Hoare annotation is: true [2024-12-05 23:23:12,952 INFO L77 FloydHoareUtils]: At program point L131(line 131) the Hoare annotation is: (not (and (<= (+ ~last_1_var_1_1~0 27) ~last_1_var_1_17~0) (<= ~last_1_var_1_17~0 32) (= 10 ~last_1_var_1_7~0) (< 5 ~var_1_1~0) (<= 0 (div ~last_1_var_1_1~0 256)))) [2024-12-05 23:23:12,952 INFO L77 FloydHoareUtils]: At program point L164-1(line 164) the Hoare annotation is: true [2024-12-05 23:23:12,952 INFO L77 FloydHoareUtils]: At program point L131-1(line 131) the Hoare annotation is: (not (let ((.cse0 (mod ~var_1_5~0 256))) (and (<= 256 ~var_1_1~0) (not (and (<= (+ ~last_1_var_1_1~0 27) ~last_1_var_1_17~0) (<= ~last_1_var_1_17~0 32) (or (< 0 .cse0) (and (<= 10 ~last_1_var_1_7~0) (<= (div ~last_1_var_1_7~0 256) 0))) (<= 0 (div ~last_1_var_1_1~0 256)))) (< .cse0 127)))) [2024-12-05 23:23:12,952 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-12-05 23:23:12,952 INFO L77 FloydHoareUtils]: At program point L165(line 165) the Hoare annotation is: true [2024-12-05 23:23:12,952 INFO L77 FloydHoareUtils]: At program point L132(line 132) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L149(line 149) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L149-1(line 149) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L150(line 150) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L167(line 167) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L134(line 134) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L167-1(line 167) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point L134-1(line 134) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-12-05 23:23:12,953 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-05 23:23:12,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:23:12 ImpRootNode [2024-12-05 23:23:12,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:23:12,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:23:12,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:23:12,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:23:12,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:22:41" (3/4) ... [2024-12-05 23:23:12,972 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:23:12,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 23:23:12,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-12-05 23:23:12,982 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-05 23:23:12,982 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:23:12,983 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:23:13,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:23:13,077 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:23:13,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:23:13,078 INFO L158 Benchmark]: Toolchain (without parser) took 32338.29ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 115.5MB in the beginning and 939.1MB in the end (delta: -823.6MB). Peak memory consumption was 380.5MB. Max. memory is 16.1GB. [2024-12-05 23:23:13,078 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:23:13,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.85ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 99.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:23:13,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.59ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 93.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:23:13,079 INFO L158 Benchmark]: Boogie Preprocessor took 41.20ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:23:13,079 INFO L158 Benchmark]: RCFGBuilder took 787.41ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 63.5MB in the end (delta: 28.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-12-05 23:23:13,079 INFO L158 Benchmark]: CodeCheck took 31066.02ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 62.9MB in the beginning and 947.5MB in the end (delta: -884.6MB). Peak memory consumption was 315.6MB. Max. memory is 16.1GB. [2024-12-05 23:23:13,079 INFO L158 Benchmark]: Witness Printer took 108.23ms. Allocated memory is still 1.4GB. Free memory was 947.5MB in the beginning and 939.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:23:13,081 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 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 986 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 2068 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 698 mSDsCounter, 1022 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2700 IncrementalHoareTripleChecker+Invalid, 3722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1022 mSolverCounterUnsat, 1370 mSDtfsCounter, 2700 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6084 GetRequests, 5975 SyntacticMatches, 5 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3652 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 802 NumberOfCodeBlocks, 802 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 798 ConstructedInterpolants, 0 QuantifiedInterpolants, 5376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 14050/14403 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && ((((((((((((((((((((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (var_1_23 == \old(var_1_23))) && (var_1_24 == \old(var_1_24))) && (var_1_25 == \old(var_1_25))) && (var_1_27 == \old(var_1_27))) && (var_1_32 == \old(var_1_32))) && (var_1_35 == \old(var_1_35))) && (var_1_38 == \old(var_1_38))) && (var_1_39 == \old(var_1_39))) && (var_1_40 == \old(var_1_40))) && (var_1_41 == \old(var_1_41))) && (var_1_42 == \old(var_1_42))) && (var_1_43 == \old(var_1_43))) && (var_1_44 == \old(var_1_44))) && (var_1_45 == \old(var_1_45))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_11 == \old(last_1_var_1_11))) && (last_1_var_1_17 == \old(last_1_var_1_17)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.85ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 99.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.59ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 93.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.20ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 787.41ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 63.5MB in the end (delta: 28.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * CodeCheck took 31066.02ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 62.9MB in the beginning and 947.5MB in the end (delta: -884.6MB). Peak memory consumption was 315.6MB. Max. memory is 16.1GB. * Witness Printer took 108.23ms. Allocated memory is still 1.4GB. Free memory was 947.5MB in the beginning and 939.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:23:13,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe7a37b-2e31-4d5f-a0ed-774306fcd3ba/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