./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label53.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_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/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_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/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_11973712-ab76-4570-aebf-8b71f80fcda4/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 701e1463647edc9b85a4510e73732e8fae9832885edcd79ec0113cacf754e2d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:33,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:33,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:51:33,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:51:33,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:51:33,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:33,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:33,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:33,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:33,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:33,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:33,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:33,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:33,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:51:33,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:33,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:33,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:33,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:33,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:33,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:33,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:33,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:33,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:33,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:33,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:33,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:51:33,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:51:33,492 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_11973712-ab76-4570-aebf-8b71f80fcda4/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 -> 701e1463647edc9b85a4510e73732e8fae9832885edcd79ec0113cacf754e2d5 [2024-11-25 04:51:33,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:33,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:33,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:33,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:33,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:33,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2024-11-25 04:51:36,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/data/04f3e79f1/ba10162d5382453983eb53e2ec9a7fb7/FLAG95d34bd3f [2024-11-25 04:51:37,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:37,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2024-11-25 04:51:37,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/data/04f3e79f1/ba10162d5382453983eb53e2ec9a7fb7/FLAG95d34bd3f [2024-11-25 04:51:37,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/data/04f3e79f1/ba10162d5382453983eb53e2ec9a7fb7 [2024-11-25 04:51:37,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:37,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:37,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:37,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:37,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:37,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265f18e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37, skipping insertion in model container [2024-11-25 04:51:37,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:37,582 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_11973712-ab76-4570-aebf-8b71f80fcda4/sv-benchmarks/c/eca-rers2012/Problem10_label53.c[4908,4921] [2024-11-25 04:51:37,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:37,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:37,835 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_11973712-ab76-4570-aebf-8b71f80fcda4/sv-benchmarks/c/eca-rers2012/Problem10_label53.c[4908,4921] [2024-11-25 04:51:37,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:37,951 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:37,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37 WrapperNode [2024-11-25 04:51:37,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:37,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:37,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:37,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:37,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:37,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,045 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 04:51:38,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:38,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:38,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:38,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:38,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:38,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:38,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:38,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:38,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:37" (1/1) ... [2024-11-25 04:51:38,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:38,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:38,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:38,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:51:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:38,266 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:38,268 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:39,685 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:39,685 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:42,816 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:42,817 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:51:42,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:42 BoogieIcfgContainer [2024-11-25 04:51:42,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:42,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:42,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:42,829 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:42,830 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:42" (1/1) ... [2024-11-25 04:51:42,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:42,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:51:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:51:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:51:42,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:42,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:43,179 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 04:51:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 04:51:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:51:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:51:43,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:56,770 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 04:51:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 04:51:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 04:51:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:51:57,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:57,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:09,099 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 04:52:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-25 04:52:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-25 04:52:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:52:10,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:10,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:52:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:26,100 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 04:52:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-25 04:52:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-25 04:52:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:52:26,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:26,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:52:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 04:52:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-25 04:52:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-25 04:52:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:52:37,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:37,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:52:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:48,050 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 04:52:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-25 04:52:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-25 04:52:48,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:52:48,247 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 04:52:48,256 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:52:48,750 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:52:48,750 INFO L77 FloydHoareUtils]: At program point L136-1(lines 30 584) the Hoare annotation is: (and (or (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:52:48,750 INFO L77 FloydHoareUtils]: At program point L139-1(lines 30 584) the Hoare annotation is: (and (or (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:52:48,750 INFO L75 FloydHoareUtils]: For program point L140(line 140) no Hoare annotation was computed. [2024-11-25 04:52:48,750 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 04:52:48,751 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:52:48,751 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:52:48,751 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 04:52:48,751 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2024-11-25 04:52:48,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:52:48 ImpRootNode [2024-11-25 04:52:48,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:52:48,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:52:48,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:52:48,768 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:52:48,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:42" (3/4) ... [2024-11-25 04:52:48,772 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:52:48,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 04:52:48,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 04:52:48,800 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:52:48,801 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:52:48,948 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:52:48,949 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:52:48,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:52:48,950 INFO L158 Benchmark]: Toolchain (without parser) took 71670.87ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 91.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 951.0MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,954 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 102.8MB in the end (delta: 215.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:52:48,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.54ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 64.3MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.29ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 56.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,955 INFO L158 Benchmark]: Boogie Preprocessor took 71.07ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 51.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,955 INFO L158 Benchmark]: RCFGBuilder took 4699.85ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 51.7MB in the beginning and 394.0MB in the end (delta: -342.3MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,956 INFO L158 Benchmark]: CodeCheck took 65948.74ms. Allocated memory was 511.7MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 394.0MB in the beginning and 1.3GB in the end (delta: -877.2MB). Peak memory consumption was 849.9MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,956 INFO L158 Benchmark]: Witness Printer took 181.89ms. Allocated memory is still 2.2GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:52:48,958 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: 65.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 486 IncrementalHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 82 mSDtfsCounter, 486 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 695 GetRequests, 593 SyntacticMatches, 32 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2339 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 61.5s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 38/65 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: 140]: 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: ((((((218 < a1) || (a19 != 8)) || (a1 < 39)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((218 < a1) || (a19 != 8)) || (a1 < 39)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 102.8MB in the end (delta: 215.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.54ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 64.3MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.29ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 56.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.07ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 51.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4699.85ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 51.7MB in the beginning and 394.0MB in the end (delta: -342.3MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. * CodeCheck took 65948.74ms. Allocated memory was 511.7MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 394.0MB in the beginning and 1.3GB in the end (delta: -877.2MB). Peak memory consumption was 849.9MB. Max. memory is 16.1GB. * Witness Printer took 181.89ms. Allocated memory is still 2.2GB. Free memory was 1.3GB in the beginning and 1.3GB 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 04:52:48,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11973712-ab76-4570-aebf-8b71f80fcda4/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