./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.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_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/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_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/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_974b384f-0a0b-4aa1-8849-45da72009872/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 d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:35:13,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:35:13,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:35:13,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:35:13,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:35:13,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:35:13,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:35:13,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:35:13,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:35:13,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:35:13,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:35:13,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:35:13,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:35:13,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:35:13,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:35:13,259 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:35:13,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:35:13,259 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:35:13,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:35:13,260 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:35:13,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:35:13,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:35:13,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:35:13,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:35:13,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:35:13,261 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:35:13,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:35:13,261 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_974b384f-0a0b-4aa1-8849-45da72009872/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 -> d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 [2024-11-25 04:35:13,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:35:13,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:35:13,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:35:13,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:35:13,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:35:13,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2024-11-25 04:35:16,583 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/data/2e39d69bb/91df1b189a8941869fedfd291aa2d5ec/FLAG656e245be [2024-11-25 04:35:16,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:35:16,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2024-11-25 04:35:16,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/data/2e39d69bb/91df1b189a8941869fedfd291aa2d5ec/FLAG656e245be [2024-11-25 04:35:17,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/data/2e39d69bb/91df1b189a8941869fedfd291aa2d5ec [2024-11-25 04:35:17,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:35:17,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:35:17,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:35:17,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:35:17,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:35:17,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b07691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17, skipping insertion in model container [2024-11-25 04:35:17,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:35:17,495 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_974b384f-0a0b-4aa1-8849-45da72009872/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2024-11-25 04:35:17,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:35:17,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:35:17,712 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_974b384f-0a0b-4aa1-8849-45da72009872/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2024-11-25 04:35:17,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:35:17,833 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:35:17,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17 WrapperNode [2024-11-25 04:35:17,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:35:17,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:35:17,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:35:17,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:35:17,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,960 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 04:35:17,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:35:17,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:35:17,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:35:17,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:35:17,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:17,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:35:18,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:35:18,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:35:18,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:35:18,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:17" (1/1) ... [2024-11-25 04:35:18,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:35:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:35:18,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:35:18,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:35:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:35:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:35:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:35:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:35:18,236 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:35:18,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:35:19,705 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 04:35:19,705 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:35:22,877 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:35:22,877 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:35:22,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:22 BoogieIcfgContainer [2024-11-25 04:35:22,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:35:22,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:35:22,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:35:22,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:35:22,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:22" (1/1) ... [2024-11-25 04:35:22,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:35:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:35:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:35:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:35:22,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:23,348 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 04:35:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 04:35:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 04:35:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:35:23,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:36,621 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 04:35:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-11-25 04:35:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-11-25 04:35:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:35:37,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:35:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-25 04:35:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-25 04:35:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:35:50,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:50,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:12,546 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 04:36:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2024-11-25 04:36:14,382 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-11-25 04:36:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:36:14,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:14,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:36:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:36:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 04:36:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2024-11-25 04:36:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2024-11-25 04:36:25,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:36:25,874 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:36:25,887 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:36:26,545 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3))) (= ~a12~0 0)) [2024-11-25 04:36:26,545 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 04:36:26,545 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:36:26,545 INFO L77 FloydHoareUtils]: At program point L160-1(lines 30 584) the Hoare annotation is: (let ((.cse2 (+ ~a1~0 13)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (not (= ~a10~0 1)) (< ~a1~0 39)) (not (= ~a10~0 4)) .cse0 (or (< ~a1~0 219) (not (= ~a10~0 0))) .cse1 (< 0 .cse2)) (and (not (= ~a19~0 8)) .cse0 .cse1) (and (<= .cse2 0) .cse0 .cse1 (not (= ~a10~0 3))))) [2024-11-25 04:36:26,546 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:36:26,546 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3))) (= ~a12~0 0)) [2024-11-25 04:36:26,546 INFO L77 FloydHoareUtils]: At program point L163-1(lines 30 584) the Hoare annotation is: (not (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (and (not (and (not (= ~a19~0 8)) .cse0 .cse1)) (not (and (or (not (= ~a10~0 4)) (< (+ ~a1~0 12) 0)) .cse0 .cse1 (or (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3)))))))) [2024-11-25 04:36:26,546 INFO L75 FloydHoareUtils]: For program point L164(line 164) no Hoare annotation was computed. [2024-11-25 04:36:26,546 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 164) no Hoare annotation was computed. [2024-11-25 04:36:26,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:36:26 ImpRootNode [2024-11-25 04:36:26,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:36:26,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:36:26,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:36:26,568 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:36:26,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:22" (3/4) ... [2024-11-25 04:36:26,571 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:36:26,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-25 04:36:26,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 04:36:26,600 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:36:26,601 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:36:26,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:36:26,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:36:26,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:36:26,770 INFO L158 Benchmark]: Toolchain (without parser) took 69598.48ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 91.4MB in the beginning and 659.4MB in the end (delta: -567.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 04:36:26,770 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:26,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.78ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 64.2MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:36:26,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.85ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 56.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:26,771 INFO L158 Benchmark]: Boogie Preprocessor took 109.76ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:26,772 INFO L158 Benchmark]: RCFGBuilder took 4807.16ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 52.0MB in the beginning and 156.2MB in the end (delta: -104.2MB). Peak memory consumption was 153.0MB. Max. memory is 16.1GB. [2024-11-25 04:36:26,772 INFO L158 Benchmark]: CodeCheck took 63687.82ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 156.2MB in the beginning and 671.8MB in the end (delta: -515.6MB). Peak memory consumption was 932.8MB. Max. memory is 16.1GB. [2024-11-25 04:36:26,772 INFO L158 Benchmark]: Witness Printer took 201.52ms. Allocated memory is still 1.7GB. Free memory was 671.8MB in the beginning and 659.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:26,774 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: 63.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 436 IncrementalHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 65 mSDtfsCounter, 436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 485 SyntacticMatches, 17 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3465 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 57.8s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 26/44 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: 164]: 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: (((14 == a4) && (((a19 != 8) || (0 < ((long long) a1 + 13))) || (a10 != 3))) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: !(!(((a19 != 8) && (14 == a4)) && (a12 == 0)) && !(((((a10 != 4) || (((long long) a1 + 12) < 0)) && (14 == a4)) && (a12 == 0)) && ((0 < ((long long) a1 + 13)) || (a10 != 3)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.78ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 64.2MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.85ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 56.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.76ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4807.16ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 52.0MB in the beginning and 156.2MB in the end (delta: -104.2MB). Peak memory consumption was 153.0MB. Max. memory is 16.1GB. * CodeCheck took 63687.82ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 156.2MB in the beginning and 671.8MB in the end (delta: -515.6MB). Peak memory consumption was 932.8MB. Max. memory is 16.1GB. * Witness Printer took 201.52ms. Allocated memory is still 1.7GB. Free memory was 671.8MB in the beginning and 659.4MB 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 04:36:26,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974b384f-0a0b-4aa1-8849-45da72009872/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