./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label59.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_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/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_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/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_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/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 86b33a3328c808cec34f54492a07e8640c009630cc5a59a5959b66da0514436c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:00:36,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:00:37,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:00:37,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:00:37,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:00:37,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:00:37,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:00:37,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:00:37,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:00:37,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:00:37,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:00:37,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:00:37,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:00:37,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:00:37,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:00:37,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:00:37,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:00:37,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:00:37,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:00:37,104 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:00:37,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:00:37,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:00:37,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:00:37,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:00:37,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:00:37,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:00:37,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:00:37,105 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_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/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 -> 86b33a3328c808cec34f54492a07e8640c009630cc5a59a5959b66da0514436c [2024-11-25 03:00:37,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:00:37,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:00:37,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:00:37,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:00:37,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:00:37,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label59.c [2024-11-25 03:00:41,116 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/data/530fb81c1/29cfcf13eb744af5a7c3bb1f9015b5a1/FLAG5d739fedd [2024-11-25 03:00:41,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:00:41,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/sv-benchmarks/c/eca-rers2012/Problem14_label59.c [2024-11-25 03:00:41,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/data/530fb81c1/29cfcf13eb744af5a7c3bb1f9015b5a1/FLAG5d739fedd [2024-11-25 03:00:41,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/data/530fb81c1/29cfcf13eb744af5a7c3bb1f9015b5a1 [2024-11-25 03:00:41,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:00:41,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:00:41,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:00:41,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:00:41,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:00:41,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:00:41" (1/1) ... [2024-11-25 03:00:41,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe57e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:41, skipping insertion in model container [2024-11-25 03:00:41,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:00:41" (1/1) ... [2024-11-25 03:00:41,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:00:41,863 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_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/sv-benchmarks/c/eca-rers2012/Problem14_label59.c[4234,4247] [2024-11-25 03:00:42,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:00:42,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:00:42,266 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_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/sv-benchmarks/c/eca-rers2012/Problem14_label59.c[4234,4247] [2024-11-25 03:00:42,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:00:42,451 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:00:42,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42 WrapperNode [2024-11-25 03:00:42,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:00:42,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:00:42,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:00:42,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:00:42,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,632 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 03:00:42,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:00:42,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:00:42,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:00:42,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:00:42,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,714 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:00:42,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:00:42,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:00:42,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:00:42,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:00:42" (1/1) ... [2024-11-25 03:00:42,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:00:42,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:00:42,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:00:42,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:00:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:00:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:00:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:00:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:00:42,934 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:00:42,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:00:45,020 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 03:00:45,022 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:00:50,433 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:00:50,434 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:00:50,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:50 BoogieIcfgContainer [2024-11-25 03:00:50,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:00:50,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:00:50,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:00:50,446 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:00:50,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:50" (1/1) ... [2024-11-25 03:00:50,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:00:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:00:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:00:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:00:50,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:50,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:50,836 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 03:00:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 03:00:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 03:00:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:00:50,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:17,628 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 03:01:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-25 03:01:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-25 03:01:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:01:17,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:17,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:53,777 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 03:01:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-25 03:01:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-25 03:01:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:01:54,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:02:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-11-25 03:02:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-11-25 03:02:16,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:02:16,308 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 03:02:16,318 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:02:16,536 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 8)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:02:16,536 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:02:16,536 INFO L77 FloydHoareUtils]: At program point L130-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 8)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:02:16,537 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2024-11-25 03:02:16,537 INFO L77 FloydHoareUtils]: At program point L133-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 8)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:02:16,537 INFO L75 FloydHoareUtils]: For program point L134(line 134) no Hoare annotation was computed. [2024-11-25 03:02:16,537 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 03:02:16,537 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:02:16,537 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 8)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:02:16,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:02:16 ImpRootNode [2024-11-25 03:02:16,551 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:02:16,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:02:16,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:02:16,552 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:02:16,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:00:50" (3/4) ... [2024-11-25 03:02:16,556 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:02:16,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-25 03:02:16,588 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 03:02:16,589 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:02:16,591 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:02:16,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:02:16,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:02:16,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:02:16,791 INFO L158 Benchmark]: Toolchain (without parser) took 95206.32ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 90.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 533.5MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,791 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:16,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.09ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 58.6MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.61ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 49.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,793 INFO L158 Benchmark]: Boogie Preprocessor took 116.04ms. Allocated memory is still 117.4MB. Free memory was 49.3MB in the beginning and 43.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,794 INFO L158 Benchmark]: RCFGBuilder took 7679.93ms. Allocated memory was 117.4MB in the beginning and 595.6MB in the end (delta: 478.2MB). Free memory was 43.4MB in the beginning and 287.8MB in the end (delta: -244.4MB). Peak memory consumption was 345.6MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,795 INFO L158 Benchmark]: CodeCheck took 86115.62ms. Allocated memory was 595.6MB in the beginning and 2.1GB in the end (delta: 1.5GB). Free memory was 287.8MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 238.2MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,796 INFO L158 Benchmark]: Witness Printer took 236.49ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:16,798 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: 85.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 46 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 83.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 321 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: 134]: 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) || (a15 != 8)) || (a21 != 6)) || (0 < ((long long) a12 + 43))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a15 != 8)) || (a21 != 6)) || (0 < ((long long) a12 + 43))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.09ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 58.6MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.61ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 49.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.04ms. Allocated memory is still 117.4MB. Free memory was 49.3MB in the beginning and 43.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7679.93ms. Allocated memory was 117.4MB in the beginning and 595.6MB in the end (delta: 478.2MB). Free memory was 43.4MB in the beginning and 287.8MB in the end (delta: -244.4MB). Peak memory consumption was 345.6MB. Max. memory is 16.1GB. * CodeCheck took 86115.62ms. Allocated memory was 595.6MB in the beginning and 2.1GB in the end (delta: 1.5GB). Free memory was 287.8MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 238.2MB. Max. memory is 16.1GB. * Witness Printer took 236.49ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.6GB 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 03:02:16,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2f730d-d6cc-4fd4-ae11-5fc0691f3895/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