./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.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_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/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_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/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_16bf3107-4436-49a4-b345-e0b60bd5e8c2/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 d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:46:44,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:46:44,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:46:44,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:46:44,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:46:44,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:46:44,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:46:44,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:46:44,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:46:44,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:46:44,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:46:44,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:46:44,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:46:44,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:46:44,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:46:44,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:46:44,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:46:44,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:46:44,724 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:46:44,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:46:44,724 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_16bf3107-4436-49a4-b345-e0b60bd5e8c2/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 -> d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 [2024-12-06 02:46:44,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:46:44,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:46:44,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:46:44,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:46:44,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:46:44,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2024-12-06 02:46:47,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/data/b3dfa1799/696ebc0736b9462184161de62accbc29/FLAGf1527c1d7 [2024-12-06 02:46:47,896 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:46:47,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2024-12-06 02:46:47,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/data/b3dfa1799/696ebc0736b9462184161de62accbc29/FLAGf1527c1d7 [2024-12-06 02:46:48,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/data/b3dfa1799/696ebc0736b9462184161de62accbc29 [2024-12-06 02:46:48,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:46:48,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:46:48,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:46:48,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:46:48,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:46:48,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614c30ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48, skipping insertion in model container [2024-12-06 02:46:48,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:46:48,371 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_16bf3107-4436-49a4-b345-e0b60bd5e8c2/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2024-12-06 02:46:48,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:46:48,556 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:46:48,570 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_16bf3107-4436-49a4-b345-e0b60bd5e8c2/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2024-12-06 02:46:48,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:46:48,665 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:46:48,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48 WrapperNode [2024-12-06 02:46:48,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:46:48,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:46:48,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:46:48,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:46:48,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,757 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-12-06 02:46:48,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:46:48,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:46:48,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:46:48,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:46:48,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:46:48,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:46:48,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:46:48,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:46:48,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:48" (1/1) ... [2024-12-06 02:46:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:46:48,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:46:48,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:46:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:46:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:46:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:46:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:46:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:46:48,964 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:46:48,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:46:50,446 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-06 02:46:50,446 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:46:54,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:46:54,760 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:46:54,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:54 BoogieIcfgContainer [2024-12-06 02:46:54,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:46:54,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:46:54,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:46:54,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:46:54,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:54" (1/1) ... [2024-12-06 02:46:54,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:46:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 02:46:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 02:46:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:46:54,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:46:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:54,967 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 02:46:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 02:46:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 02:46:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:46:55,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:55,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:46:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:21,402 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 02:47:31,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:47:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 02:47:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 02:47:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:47:31,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:41,996 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 02:48:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-12-06 02:48:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-12-06 02:48:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:48:43,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:43,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:48:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:53,370 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 02:49:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 02:49:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 02:49:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:49:53,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:53,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:49:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:44,540 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 02:50:46,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:50:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2024-12-06 02:50:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2024-12-06 02:50:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:50:46,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:46,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:51:32,024 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 02:51:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2024-12-06 02:51:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-12-06 02:51:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:51:32,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:32,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:51:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:12,248 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 02:52:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2024-12-06 02:52:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2024-12-06 02:52:12,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:52:12,508 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 02:52:12,514 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:52:12,928 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-12-06 02:52:12,928 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and (<= ~a25~0 10) .cse0 (<= 312 ~a23~0) (<= ~a29~0 130)) (and (= ~a3~0 1) (= ~a8~0 15) (or (< ~a29~0 141) (< 245 ~a29~0) (< 76 ~a23~0) (not (= ~a25~0 12)) (not .cse0))))) [2024-12-06 02:52:12,929 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:52:12,929 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and (<= ~a25~0 10) .cse0 (<= 312 ~a23~0) (<= ~a29~0 130)) (and (= ~a3~0 1) (= ~a8~0 15) (or (< ~a29~0 141) (< 245 ~a29~0) (< 76 ~a23~0) (not (= ~a25~0 12)) (not .cse0))))) [2024-12-06 02:52:12,929 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2024-12-06 02:52:12,929 INFO L77 FloydHoareUtils]: At program point L81-1(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and (<= ~a25~0 10) .cse0 (<= 312 ~a23~0) (<= ~a29~0 130)) (and (= ~a3~0 1) (= ~a8~0 15) (or (< ~a29~0 141) (< 245 ~a29~0) (< 76 ~a23~0) (not (= ~a25~0 12)) (not .cse0))))) [2024-12-06 02:52:12,929 INFO L77 FloydHoareUtils]: At program point L84-1(lines 32 1036) the Hoare annotation is: (not (let ((.cse0 (= ~a4~0 1))) (and (not (and (= ~a3~0 1) (= ~a8~0 15) (or (< ~a29~0 141) (< 245 ~a29~0) (< 0 (+ ~a23~0 43)) (not (= ~a25~0 12)) (not .cse0)))) (not (and (<= ~a25~0 10) .cse0 (<= 312 ~a23~0) (<= ~a29~0 130)))))) [2024-12-06 02:52:12,929 INFO L75 FloydHoareUtils]: For program point L85(line 85) no Hoare annotation was computed. [2024-12-06 02:52:12,929 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:52:12,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:52:12 ImpRootNode [2024-12-06 02:52:12,942 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:52:12,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:52:12,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:52:12,943 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:52:12,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:54" (3/4) ... [2024-12-06 02:52:12,946 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:52:12,963 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 272 nodes and edges [2024-12-06 02:52:12,965 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 02:52:12,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 02:52:12,968 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:52:13,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:52:13,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:52:13,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:52:13,099 INFO L158 Benchmark]: Toolchain (without parser) took 324898.16ms. Allocated memory was 142.6MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 113.5MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 02:52:13,099 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:52:13,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.25ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 70.9MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 02:52:13,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.16ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 54.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:52:13,100 INFO L158 Benchmark]: Boogie Preprocessor took 109.57ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 97.9MB in the end (delta: -43.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-12-06 02:52:13,101 INFO L158 Benchmark]: RCFGBuilder took 5892.38ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 97.9MB in the beginning and 751.3MB in the end (delta: -653.4MB). Peak memory consumption was 601.2MB. Max. memory is 16.1GB. [2024-12-06 02:52:13,101 INFO L158 Benchmark]: CodeCheck took 318180.91ms. Allocated memory was 906.0MB in the beginning and 2.8GB in the end (delta: 1.9GB). Free memory was 751.3MB in the beginning and 1.2GB in the end (delta: -419.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 02:52:13,101 INFO L158 Benchmark]: Witness Printer took 155.46ms. Allocated memory is still 2.8GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:52:13,103 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: 317.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 70.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 70.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 726 IncrementalHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 115 mSDtfsCounter, 726 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 901 GetRequests, 814 SyntacticMatches, 31 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 300.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 85]: 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: (((((a25 <= 10) && (a4 == 1)) && (312 <= a23)) && (a29 <= 130)) || (((a3 == 1) && (a8 == 15)) && (((((a29 < 141) || (245 < a29)) || (76 < a23)) || (a25 != 12)) || (a4 != 1)))) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: !(!(((a3 == 1) && (a8 == 15)) && (((((a29 < 141) || (245 < a29)) || (0 < ((long long) a23 + 43))) || (a25 != 12)) || (a4 != 1))) && !((((a25 <= 10) && (a4 == 1)) && (312 <= a23)) && (a29 <= 130))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.25ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 70.9MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.16ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 54.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.57ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 97.9MB in the end (delta: -43.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5892.38ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 97.9MB in the beginning and 751.3MB in the end (delta: -653.4MB). Peak memory consumption was 601.2MB. Max. memory is 16.1GB. * CodeCheck took 318180.91ms. Allocated memory was 906.0MB in the beginning and 2.8GB in the end (delta: 1.9GB). Free memory was 751.3MB in the beginning and 1.2GB in the end (delta: -419.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 155.46ms. Allocated memory is still 2.8GB. Free memory was 1.2GB in the beginning and 1.2GB 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! [2024-12-06 02:52:13,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16bf3107-4436-49a4-b345-e0b60bd5e8c2/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