./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.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_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/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_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/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_c0ba16d3-82c5-4c31-ac7d-1774359bb329/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 ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:31,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:31,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:58:31,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:31,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:31,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:31,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:31,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:31,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:31,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:31,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:31,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:31,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:31,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:31,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:31,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:31,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:31,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:31,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:31,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:31,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:31,312 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:31,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:31,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:31,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:31,313 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:31,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:31,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:31,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:31,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:31,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:31,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:31,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:31,315 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_c0ba16d3-82c5-4c31-ac7d-1774359bb329/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 -> ba084f2fa236db54388aca511060366bb6c01451f2201814c167025a30650a8b [2024-11-25 01:58:31,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:31,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:31,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:31,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:31,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:31,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2024-11-25 01:58:35,235 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/data/c58b1cf0a/280cb80c3fa741e496f8d72beb039d4c/FLAG48118aea6 [2024-11-25 01:58:35,900 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:35,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2024-11-25 01:58:35,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/data/c58b1cf0a/280cb80c3fa741e496f8d72beb039d4c/FLAG48118aea6 [2024-11-25 01:58:35,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/data/c58b1cf0a/280cb80c3fa741e496f8d72beb039d4c [2024-11-25 01:58:35,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:35,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:35,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:35,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:35,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:35,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:35" (1/1) ... [2024-11-25 01:58:35,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b6ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:35, skipping insertion in model container [2024-11-25 01:58:35,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:35" (1/1) ... [2024-11-25 01:58:36,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:36,338 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_c0ba16d3-82c5-4c31-ac7d-1774359bb329/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2024-11-25 01:58:36,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:36,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:36,838 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_c0ba16d3-82c5-4c31-ac7d-1774359bb329/sv-benchmarks/c/eca-rers2012/Problem11_label32.c[5857,5870] [2024-11-25 01:58:37,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:37,031 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:37,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37 WrapperNode [2024-11-25 01:58:37,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:37,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:37,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:37,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:37,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,256 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-25 01:58:37,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:37,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:37,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:37,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:37,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:37,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:37,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:37,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:37,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:37,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:37,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:37,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:37,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:37,594 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:37,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:39,930 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:39,930 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:46,725 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:46,726 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:58:46,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:46 BoogieIcfgContainer [2024-11-25 01:58:46,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:46,727 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:46,727 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:46,738 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:46,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 01:58:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 01:58:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 01:58:46,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:46,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:47,121 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 01:58:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 01:58:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 01:58:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:58:47,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:47,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:28,090 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 01:59:29,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 01:59:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-25 01:59:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-25 01:59:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:59:29,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:59:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:01:07,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:01:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-25 02:01:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-25 02:01:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:01:07,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:07,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:01:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:50,435 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 02:02:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 02:02:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 02:02:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:02:50,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:50,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:52,356 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 02:03:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-25 02:03:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-25 02:03:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:03:53,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:04:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:05:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2024-11-25 02:05:00,219 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-11-25 02:05:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:05:00,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:00,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:55,721 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 02:05:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2024-11-25 02:05:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2024-11-25 02:05:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:05:56,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:07:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-25 02:07:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:07:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-11-25 02:07:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-11-25 02:07:05,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:07:05,407 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 02:07:05,415 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:07:06,143 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-11-25 02:07:06,144 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (and (= ~a3~0 1) (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 12)) (< 277 ~a29~0) (not (= ~a4~0 1)) (< ~a29~0 246)) (= ~a8~0 15)) [2024-11-25 02:07:06,144 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:07:06,144 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (and (= ~a3~0 1) (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 12)) (< 277 ~a29~0) (not (= ~a4~0 1)) (< ~a29~0 246)) (= ~a8~0 15)) [2024-11-25 02:07:06,144 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2024-11-25 02:07:06,145 INFO L77 FloydHoareUtils]: At program point L132-1(lines 32 1036) the Hoare annotation is: (let ((.cse0 (< 138 ~a23~0)) (.cse1 (not (= ~a4~0 1)))) (and (or .cse0 (< ~a29~0 278) .cse1 (not (= ~a25~0 9))) (= ~a3~0 1) (or .cse0 (< (+ ~a23~0 42) 0) (not (= ~a25~0 12)) (< 277 ~a29~0) .cse1 (< ~a29~0 246)) (= ~a8~0 15))) [2024-11-25 02:07:06,145 INFO L77 FloydHoareUtils]: At program point L135-1(lines 32 1036) the Hoare annotation is: (and (= ~a3~0 1) (or (< 138 ~a23~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 12)) (< 277 ~a29~0) (not (= ~a4~0 1)) (< ~a29~0 246)) (= ~a8~0 15)) [2024-11-25 02:07:06,145 INFO L75 FloydHoareUtils]: For program point L136(line 136) no Hoare annotation was computed. [2024-11-25 02:07:06,145 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:07:06,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:07:06 ImpRootNode [2024-11-25 02:07:06,162 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:07:06,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:07:06,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:07:06,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:07:06,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:46" (3/4) ... [2024-11-25 02:07:06,168 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:07:06,192 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 273 nodes and edges [2024-11-25 02:07:06,194 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-25 02:07:06,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:07:06,199 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:07:06,376 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:07:06,376 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:07:06,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:07:06,377 INFO L158 Benchmark]: Toolchain (without parser) took 510426.04ms. Allocated memory was 117.4MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 90.8MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 252.2MB. Max. memory is 16.1GB. [2024-11-25 02:07:06,378 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:07:06,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1078.25ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 47.8MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:07:06,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.47ms. Allocated memory is still 117.4MB. Free memory was 47.8MB in the beginning and 79.6MB in the end (delta: -31.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-11-25 02:07:06,379 INFO L158 Benchmark]: Boogie Preprocessor took 170.14ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 70.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:07:06,379 INFO L158 Benchmark]: RCFGBuilder took 9298.29ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 70.4MB in the beginning and 350.7MB in the end (delta: -280.3MB). Peak memory consumption was 537.3MB. Max. memory is 16.1GB. [2024-11-25 02:07:06,380 INFO L158 Benchmark]: CodeCheck took 499434.40ms. Allocated memory was 805.3MB in the beginning and 3.3GB in the end (delta: 2.5GB). Free memory was 350.7MB in the beginning and 3.0GB in the end (delta: -2.7GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:07:06,380 INFO L158 Benchmark]: Witness Printer took 214.02ms. Allocated memory is still 3.3GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:07:06,382 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: 498.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 385 SdHoareTripleChecker+Valid, 27.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 380 SdHoareTripleChecker+Invalid, 27.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 232 mSDsCounter, 183 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 950 IncrementalHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 183 mSolverCounterUnsat, 148 mSDtfsCounter, 950 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1110 GetRequests, 988 SyntacticMatches, 46 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2743 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 485.0s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 136]: 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: 1044]: Loop Invariant Derived loop invariant: (((a3 == 1) && ((((((138 < a23) || (((long long) a23 + 42) < 0)) || (a25 != 12)) || (277 < a29)) || (a4 != 1)) || (a29 < 246))) && (a8 == 15)) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: (((a3 == 1) && ((((((138 < a23) || (((long long) a23 + 42) < 0)) || (a25 != 12)) || (277 < a29)) || (a4 != 1)) || (a29 < 246))) && (a8 == 15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1078.25ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 47.8MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.47ms. Allocated memory is still 117.4MB. Free memory was 47.8MB in the beginning and 79.6MB in the end (delta: -31.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.14ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 70.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9298.29ms. Allocated memory was 117.4MB in the beginning and 805.3MB in the end (delta: 687.9MB). Free memory was 70.4MB in the beginning and 350.7MB in the end (delta: -280.3MB). Peak memory consumption was 537.3MB. Max. memory is 16.1GB. * CodeCheck took 499434.40ms. Allocated memory was 805.3MB in the beginning and 3.3GB in the end (delta: 2.5GB). Free memory was 350.7MB in the beginning and 3.0GB in the end (delta: -2.7GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 214.02ms. Allocated memory is still 3.3GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:07:06,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ba16d3-82c5-4c31-ac7d-1774359bb329/bin/ukojak-verify-ENZ3QT5qd3/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