./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.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_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:29:09,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:29:09,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:29:09,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:29:09,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:29:09,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:29:09,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:29:09,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:29:09,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:29:09,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:29:09,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:29:09,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:29:09,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:29:09,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:29:09,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:29:09,663 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:29:09,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:29:09,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:29:09,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:29:09,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:29:09,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:29:09,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:09,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:29:09,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:29:09,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:29:09,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:29:09,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:29:09,664 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_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 [2024-11-25 02:29:10,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:29:10,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:29:10,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:29:10,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:29:10,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:29:10,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2024-11-25 02:29:13,115 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/data/194237675/6db3131699b64664ad89f6c342a3107d/FLAG8e6f75bfa [2024-11-25 02:29:13,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:29:13,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2024-11-25 02:29:13,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/data/194237675/6db3131699b64664ad89f6c342a3107d/FLAG8e6f75bfa [2024-11-25 02:29:13,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/data/194237675/6db3131699b64664ad89f6c342a3107d [2024-11-25 02:29:13,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:29:13,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:29:13,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:13,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:29:13,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:29:13,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:13" (1/1) ... [2024-11-25 02:29:13,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa5d9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:13, skipping insertion in model container [2024-11-25 02:29:13,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:13" (1/1) ... [2024-11-25 02:29:13,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:29:14,018 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_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2024-11-25 02:29:14,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:14,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:29:14,266 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_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2024-11-25 02:29:14,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:14,391 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:29:14,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14 WrapperNode [2024-11-25 02:29:14,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:14,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:14,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:29:14,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:29:14,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,528 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 02:29:14,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:14,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:29:14,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:29:14,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:29:14,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:29:14,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:29:14,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:29:14,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:29:14,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:14" (1/1) ... [2024-11-25 02:29:14,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:14,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:29:14,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:29:14,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:29:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:29:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:29:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:29:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:29:14,792 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:29:14,796 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:29:16,763 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 02:29:16,763 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:29:21,786 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:29:21,786 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:29:21,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:21 BoogieIcfgContainer [2024-11-25 02:29:21,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:29:21,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:29:21,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:29:21,795 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:29:21,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:21" (1/1) ... [2024-11-25 02:29:21,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:29:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 02:29:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 02:29:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:29:21,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:21,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:29:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 02:29:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 02:29:22,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:22,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:22,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:29:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-11-25 02:29:49,046 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-11-25 02:29:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:29:49,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:49,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-11-25 02:30:33,458 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-11-25 02:30:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:30:33,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:33,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:30:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2024-11-25 02:30:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2024-11-25 02:30:56,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:30:56,447 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 02:30:56,459 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:30:56,745 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (not (and (= ~a24~0 1) (< 0 (+ 49 ~a12~0)) (not (or (not (= 7 ~a21~0)) (not (= ~a15~0 6)))))) [2024-11-25 02:30:56,746 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:30:56,746 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2024-11-25 02:30:56,746 INFO L77 FloydHoareUtils]: At program point L202-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-25 02:30:56,746 INFO L77 FloydHoareUtils]: At program point L205-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-25 02:30:56,747 INFO L75 FloydHoareUtils]: For program point L206(line 206) no Hoare annotation was computed. [2024-11-25 02:30:56,747 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 02:30:56,747 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:30:56,747 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (not (and (= ~a24~0 1) (< 0 (+ 49 ~a12~0)) (not (or (not (= 7 ~a21~0)) (not (= ~a15~0 6)))))) [2024-11-25 02:30:56,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:56 ImpRootNode [2024-11-25 02:30:56,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:56,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:56,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:56,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:56,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:21" (3/4) ... [2024-11-25 02:30:56,772 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:30:56,802 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-25 02:30:56,804 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:30:56,806 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:30:56,808 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:30:57,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:30:57,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:30:57,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:57,009 INFO L158 Benchmark]: Toolchain (without parser) took 103314.59ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 91.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 804.9MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,009 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:57,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.93ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 59.6MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.84ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 50.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,010 INFO L158 Benchmark]: Boogie Preprocessor took 78.85ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 44.6MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,011 INFO L158 Benchmark]: RCFGBuilder took 7178.36ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 44.2MB in the beginning and 380.6MB in the end (delta: -336.3MB). Peak memory consumption was 298.1MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,012 INFO L158 Benchmark]: CodeCheck took 94979.94ms. Allocated memory was 503.3MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 380.6MB in the beginning and 1.2GB in the end (delta: -793.4MB). Peak memory consumption was 691.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,015 INFO L158 Benchmark]: Witness Printer took 237.29ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:57,017 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: 94.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 227 IncrementalHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 42 mSDtfsCounter, 227 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 91.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 206]: 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: 30]: Location Invariant Derived location invariant: (((a24 != 1) || (7 != a21)) || (a15 != 6)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: !(((a24 == 1) && (0 < ((long long) 49 + a12))) && !((7 != a21) || (a15 != 6))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.93ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 59.6MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.84ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 50.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.85ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 44.6MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7178.36ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 44.2MB in the beginning and 380.6MB in the end (delta: -336.3MB). Peak memory consumption was 298.1MB. Max. memory is 16.1GB. * CodeCheck took 94979.94ms. Allocated memory was 503.3MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 380.6MB in the beginning and 1.2GB in the end (delta: -793.4MB). Peak memory consumption was 691.4MB. Max. memory is 16.1GB. * Witness Printer took 237.29ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:30:57,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5d8d5a-95aa-4dd3-8013-2ea0357cf321/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE