./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.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_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:21:31,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:21:31,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:21:31,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:21:31,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:21:31,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:21:31,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:21:31,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:21:31,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:21:31,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:21:31,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:21:31,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:21:31,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:21:31,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:21:31,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:21:31,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:21:31,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:21:31,833 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_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 [2024-12-06 04:21:32,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:21:32,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:21:32,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:21:32,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:21:32,055 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:21:32,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2024-12-06 04:21:34,655 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/data/5b41a8d3e/718e2bd6d2744e3299f9d229c3d6b381/FLAG4701682ec [2024-12-06 04:21:34,956 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:21:34,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2024-12-06 04:21:34,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/data/5b41a8d3e/718e2bd6d2744e3299f9d229c3d6b381/FLAG4701682ec [2024-12-06 04:21:35,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/data/5b41a8d3e/718e2bd6d2744e3299f9d229c3d6b381 [2024-12-06 04:21:35,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:21:35,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:21:35,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:21:35,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:21:35,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:21:35,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7ae674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35, skipping insertion in model container [2024-12-06 04:21:35,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:21:35,441 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_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2024-12-06 04:21:35,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:21:35,612 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:21:35,634 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_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2024-12-06 04:21:35,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:21:35,730 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:21:35,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35 WrapperNode [2024-12-06 04:21:35,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:21:35,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:21:35,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:21:35,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:21:35,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,835 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-12-06 04:21:35,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:21:35,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:21:35,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:21:35,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:21:35,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,894 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:21:35,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:21:35,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:21:35,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:21:35,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:21:35" (1/1) ... [2024-12-06 04:21:35,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:21:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:21:35,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:21:35,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:21:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:21:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:21:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:21:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:21:36,054 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:21:36,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:21:37,556 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-06 04:21:37,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:21:41,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:21:41,950 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:21:41,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:41 BoogieIcfgContainer [2024-12-06 04:21:41,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:21:41,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:21:41,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:21:41,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:21:41,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:41" (1/1) ... [2024-12-06 04:21:41,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:21:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 04:21:42,002 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 04:21:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:21:42,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:42,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:21:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:21:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 04:21:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 04:21:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:21:42,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:42,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:21:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:22:23,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:22:23,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:23,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 04:22:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 04:22:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:22:23,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:23,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:22:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-12-06 04:23:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 04:23:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:23:44,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:30,645 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 04:24:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2024-12-06 04:24:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2024-12-06 04:24:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:24:32,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:32,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:24:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 04:25:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2024-12-06 04:25:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-12-06 04:25:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:25:18,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:18,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 04:26:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-06 04:26:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-06 04:26:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:26:02,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:02,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 04:26:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-12-06 04:26:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-12-06 04:26:56,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:26:56,743 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 04:26:56,749 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:26:57,186 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-12-06 04:26:57,186 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (and (= ~a3~0 1) (= ~a8~0 15) (or (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (< ~a29~0 278) (not (= ~a4~0 1)))) [2024-12-06 04:26:57,187 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:26:57,187 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (and (= ~a3~0 1) (= ~a8~0 15) (or (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (< ~a29~0 278) (not (= ~a4~0 1)))) [2024-12-06 04:26:57,187 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2024-12-06 04:26:57,187 INFO L77 FloydHoareUtils]: At program point L141-1(lines 32 1036) the Hoare annotation is: (and (= ~a3~0 1) (= ~a8~0 15) (or (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (< ~a29~0 278) (not (= ~a4~0 1)))) [2024-12-06 04:26:57,187 INFO L77 FloydHoareUtils]: At program point L144-1(lines 32 1036) the Hoare annotation is: (and (= ~a3~0 1) (= ~a8~0 15) (or (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (< ~a29~0 278) (not (= ~a4~0 1)))) [2024-12-06 04:26:57,187 INFO L75 FloydHoareUtils]: For program point L145(line 145) no Hoare annotation was computed. [2024-12-06 04:26:57,187 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:26:57,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:26:57 ImpRootNode [2024-12-06 04:26:57,198 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:26:57,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:26:57,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:26:57,199 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:26:57,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:21:41" (3/4) ... [2024-12-06 04:26:57,202 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:26:57,219 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 272 nodes and edges [2024-12-06 04:26:57,220 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 04:26:57,222 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 04:26:57,223 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:26:57,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:26:57,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:26:57,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:26:57,358 INFO L158 Benchmark]: Toolchain (without parser) took 322105.88ms. Allocated memory was 117.4MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 89.4MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 04:26:57,359 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:26:57,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.02ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 46.2MB in the end (delta: 43.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:26:57,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.89ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 78.2MB in the end (delta: -32.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-12-06 04:26:57,359 INFO L158 Benchmark]: Boogie Preprocessor took 104.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 68.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:26:57,360 INFO L158 Benchmark]: RCFGBuilder took 6010.16ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 68.7MB in the beginning and 258.5MB in the end (delta: -189.8MB). Peak memory consumption was 464.5MB. Max. memory is 16.1GB. [2024-12-06 04:26:57,360 INFO L158 Benchmark]: CodeCheck took 315246.97ms. Allocated memory was 704.6MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 258.5MB in the beginning and 1.1GB in the end (delta: -885.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 04:26:57,360 INFO L158 Benchmark]: Witness Printer took 158.78ms. Allocated memory is still 3.3GB. Free memory was 1.1GB in the beginning and 3.1GB in the end (delta: -2.0GB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-12-06 04:26:57,361 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: 314.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 67.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 286 mSDsluCounter, 319 SdHoareTripleChecker+Invalid, 67.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 799 IncrementalHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 125 mSDtfsCounter, 799 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 978 GetRequests, 881 SyntacticMatches, 35 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1667 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 297.6s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 60/112 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: 145]: 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: 32]: Location Invariant Derived location invariant: (((a3 == 1) && (a8 == 15)) && ((((a25 != 11) || (0 < ((long long) a23 + 43))) || (a29 < 278)) || (a4 != 1))) - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((a3 == 1) && (a8 == 15)) && ((((a25 != 11) || (0 < ((long long) a23 + 43))) || (a29 < 278)) || (a4 != 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.02ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 46.2MB in the end (delta: 43.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.89ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 78.2MB in the end (delta: -32.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.02ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 68.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6010.16ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 68.7MB in the beginning and 258.5MB in the end (delta: -189.8MB). Peak memory consumption was 464.5MB. Max. memory is 16.1GB. * CodeCheck took 315246.97ms. Allocated memory was 704.6MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 258.5MB in the beginning and 1.1GB in the end (delta: -885.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 158.78ms. Allocated memory is still 3.3GB. Free memory was 1.1GB in the beginning and 3.1GB in the end (delta: -2.0GB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:26:57,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a9e56d-db74-4481-a378-6ae5fc5c1cf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE