./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.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_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/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_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/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_4038892e-13d4-44dc-a98c-f01061b16bd1/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 550f3a62df7d5eada5d2aa8dd32299382207e40f85198cb35440276faa9cf7d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:37:18,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:37:19,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:37:19,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:37:19,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:37:19,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:37:19,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:37:19,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:37:19,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:37:19,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:37:19,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:37:19,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:37:19,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:37:19,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:37:19,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:37:19,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:37:19,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:37:19,047 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:37:19,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:37:19,047 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_4038892e-13d4-44dc-a98c-f01061b16bd1/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 -> 550f3a62df7d5eada5d2aa8dd32299382207e40f85198cb35440276faa9cf7d3 [2024-12-06 04:37:19,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:37:19,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:37:19,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:37:19,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:37:19,316 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:37:19,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2024-12-06 04:37:21,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/data/77f21da10/5527d731f8904b38a8944353c1e62de8/FLAGf3695fd96 [2024-12-06 04:37:22,220 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:37:22,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2024-12-06 04:37:22,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/data/77f21da10/5527d731f8904b38a8944353c1e62de8/FLAGf3695fd96 [2024-12-06 04:37:22,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/data/77f21da10/5527d731f8904b38a8944353c1e62de8 [2024-12-06 04:37:22,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:37:22,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:37:22,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:37:22,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:37:22,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:37:22,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477347b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22, skipping insertion in model container [2024-12-06 04:37:22,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:37:22,709 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_4038892e-13d4-44dc-a98c-f01061b16bd1/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2024-12-06 04:37:22,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:37:22,806 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:37:22,831 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_4038892e-13d4-44dc-a98c-f01061b16bd1/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2024-12-06 04:37:22,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:37:22,892 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:37:22,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22 WrapperNode [2024-12-06 04:37:22,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:37:22,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:37:22,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:37:22,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:37:22,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,958 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 04:37:22,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:37:22,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:37:22,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:37:22,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:37:22,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:22,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:23,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:23,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:23,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:23,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:37:23,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:37:23,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:37:23,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:37:23,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:22" (1/1) ... [2024-12-06 04:37:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:37:23,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:37:23,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:37:23,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:37:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:37:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:37:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:37:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:37:23,114 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:37:23,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:37:24,041 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 04:37:24,042 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:37:25,946 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:37:25,946 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:37:25,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:37:25 BoogieIcfgContainer [2024-12-06 04:37:25,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:37:25,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:37:25,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:37:25,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:37:25,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:37:25" (1/1) ... [2024-12-06 04:37:25,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:37:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 04:37:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 04:37:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:37:26,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:26,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:37:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:26,211 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 04:37:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 04:37:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 04:37:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:37:26,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:37:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:35,177 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 04:37:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 04:37:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 04:37:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:37:35,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:37:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:50,960 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 04:37:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-12-06 04:37:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 04:37:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:37:51,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:51,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:37:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:03,977 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 04:38:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2024-12-06 04:38:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-06 04:38:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:38:04,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:04,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:38:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2024-12-06 04:38:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2024-12-06 04:38:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:38:14,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:14,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:23,773 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 04:38:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2024-12-06 04:38:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-06 04:38:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:38:24,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:24,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 04:38:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2024-12-06 04:38:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2024-12-06 04:38:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:38:33,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:38:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 04:38:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 04:38:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 04:38:45,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:38:45,812 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-06 04:38:45,818 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:38:46,271 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 04:38:46,271 INFO L77 FloydHoareUtils]: At program point L202-1(lines 30 584) the Hoare annotation is: (not (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (and (not (and (= 23 ~a1~0) .cse0 .cse1)) (not (and (or (not (= 7 ~a19~0)) (not (= ~a10~0 3))) .cse0 .cse1))))) [2024-12-06 04:38:46,271 INFO L75 FloydHoareUtils]: For program point L203(line 203) no Hoare annotation was computed. [2024-12-06 04:38:46,272 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 04:38:46,272 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:38:46,272 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:38:46,272 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 04:38:46,272 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2024-12-06 04:38:46,272 INFO L77 FloydHoareUtils]: At program point L199-1(lines 30 584) the Hoare annotation is: (and (or (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 04:38:46,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:38:46 ImpRootNode [2024-12-06 04:38:46,281 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:38:46,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:38:46,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:38:46,282 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:38:46,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:37:25" (3/4) ... [2024-12-06 04:38:46,285 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:38:46,297 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-06 04:38:46,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 04:38:46,299 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:38:46,300 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:38:46,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:38:46,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:38:46,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:38:46,391 INFO L158 Benchmark]: Toolchain (without parser) took 83868.95ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 115.8MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 315.1MB. Max. memory is 16.1GB. [2024-12-06 04:38:46,391 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:38:46,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.16ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 88.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:38:46,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.01ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 80.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:46,392 INFO L158 Benchmark]: Boogie Preprocessor took 58.75ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 76.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:46,392 INFO L158 Benchmark]: RCFGBuilder took 2927.64ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 76.0MB in the beginning and 350.7MB in the end (delta: -274.7MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2024-12-06 04:38:46,393 INFO L158 Benchmark]: CodeCheck took 80334.54ms. Allocated memory was 469.8MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 347.7MB in the beginning and 1.3GB in the end (delta: -929.2MB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB. [2024-12-06 04:38:46,393 INFO L158 Benchmark]: Witness Printer took 108.29ms. Allocated memory is still 1.6GB. 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. [2024-12-06 04:38:46,395 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: 79.8s, 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, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 392 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 998 IncrementalHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 152 mSDtfsCounter, 998 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 968 SyntacticMatches, 45 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5447 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 75.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 66/122 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: 203]: 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: (((((a1 < 219) || (7 != a19)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: !(!(((23 == a1) && (14 == a4)) && (a12 == 0)) && !((((7 != a19) || (a10 != 3)) && (14 == a4)) && (a12 == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.16ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 88.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.01ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 80.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.75ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 76.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2927.64ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 76.0MB in the beginning and 350.7MB in the end (delta: -274.7MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. * CodeCheck took 80334.54ms. Allocated memory was 469.8MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 347.7MB in the beginning and 1.3GB in the end (delta: -929.2MB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB. * Witness Printer took 108.29ms. Allocated memory is still 1.6GB. 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! [2024-12-06 04:38:46,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4038892e-13d4-44dc-a98c-f01061b16bd1/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