./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.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_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/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_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/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_9c931660-bcc8-4571-b3df-82322b2acdfa/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 ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:07,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:07,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:02:07,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:02:07,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:02:07,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:07,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:07,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:07,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:07,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:07,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:07,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:07,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:02:07,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:02:07,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:02:07,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:07,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:07,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:07,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:07,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:02:07,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:07,707 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:07,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:07,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:07,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:07,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:07,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:07,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:07,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:07,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:07,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:07,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:02:07,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:02:07,709 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_9c931660-bcc8-4571-b3df-82322b2acdfa/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 -> ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 [2024-11-25 04:02:08,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:08,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:08,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:08,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:08,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:08,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2024-11-25 04:02:11,352 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/data/b37d536d3/671bf80e8118424ea612bb784d6b8add/FLAGce79916a5 [2024-11-25 04:02:11,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:02:11,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2024-11-25 04:02:11,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/data/b37d536d3/671bf80e8118424ea612bb784d6b8add/FLAGce79916a5 [2024-11-25 04:02:11,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/data/b37d536d3/671bf80e8118424ea612bb784d6b8add [2024-11-25 04:02:11,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:02:11,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:02:11,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:11,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:02:11,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:02:11,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:11" (1/1) ... [2024-11-25 04:02:11,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4d8bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:11, skipping insertion in model container [2024-11-25 04:02:11,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:02:11" (1/1) ... [2024-11-25 04:02:11,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:02:12,060 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_9c931660-bcc8-4571-b3df-82322b2acdfa/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2024-11-25 04:02:12,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:12,362 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:02:12,393 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_9c931660-bcc8-4571-b3df-82322b2acdfa/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2024-11-25 04:02:12,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:02:12,529 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:02:12,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12 WrapperNode [2024-11-25 04:02:12,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:02:12,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:12,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:02:12,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:02:12,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,661 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 04:02:12,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:02:12,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:02:12,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:02:12,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:02:12,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,712 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:02:12,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:02:12,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:02:12,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:02:12,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:02:12" (1/1) ... [2024-11-25 04:02:12,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:02:12,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:02:12,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:02:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:02:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:02:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:02:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:02:12,956 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:02:12,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:02:15,062 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 04:02:15,063 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:02:20,591 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:02:20,592 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:02:20,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:20 BoogieIcfgContainer [2024-11-25 04:02:20,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:02:20,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:02:20,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:02:20,606 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:02:20,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:20" (1/1) ... [2024-11-25 04:02:20,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:02:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:02:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:02:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:02:20,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:21,042 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 04:02:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 04:02:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:02:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:02:21,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:44,713 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 04:02:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 04:02:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 04:02:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:02:45,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:17,223 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 04:03:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2024-11-25 04:03:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-11-25 04:03:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:03:17,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:17,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:03:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-25 04:04:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-25 04:04:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:04:45,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:45,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:10,305 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 04:05:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-11-25 04:05:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-25 04:05:10,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:05:10,906 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:05:10,917 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:05:11,208 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-25 04:05:11,209 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:05:11,209 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2024-11-25 04:05:11,209 INFO L77 FloydHoareUtils]: At program point L154-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-25 04:05:11,209 INFO L77 FloydHoareUtils]: At program point L157-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-25 04:05:11,211 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 04:05:11,211 INFO L75 FloydHoareUtils]: For program point L158(line 158) no Hoare annotation was computed. [2024-11-25 04:05:11,211 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:05:11,212 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-25 04:05:11,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:05:11 ImpRootNode [2024-11-25 04:05:11,230 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:05:11,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:05:11,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:05:11,231 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:05:11,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:02:20" (3/4) ... [2024-11-25 04:05:11,235 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:05:11,273 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-25 04:05:11,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 04:05:11,278 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 04:05:11,279 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:05:11,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:05:11,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:05:11,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:05:11,495 INFO L158 Benchmark]: Toolchain (without parser) took 179780.54ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 90.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 626.1MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,495 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:05:11,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.19ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 57.9MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.30ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 48.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,496 INFO L158 Benchmark]: Boogie Preprocessor took 85.67ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 42.9MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,497 INFO L158 Benchmark]: RCFGBuilder took 7844.29ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 42.9MB in the beginning and 209.7MB in the end (delta: -166.8MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,497 INFO L158 Benchmark]: CodeCheck took 170636.65ms. Allocated memory was 486.5MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 209.7MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 370.5MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,497 INFO L158 Benchmark]: Witness Printer took 263.07ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:05:11,499 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: 170.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 67 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 509 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1638 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 165.8s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/55 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: 158]: 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) || (a12 < 81)) || (a15 != 6)) || (a21 != 8)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a12 < 81)) || (a15 != 6)) || (a21 != 8)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.19ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 57.9MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.30ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 48.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.67ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 42.9MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7844.29ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 42.9MB in the beginning and 209.7MB in the end (delta: -166.8MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. * CodeCheck took 170636.65ms. Allocated memory was 486.5MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 209.7MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 370.5MB. Max. memory is 16.1GB. * Witness Printer took 263.07ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:05:11,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c931660-bcc8-4571-b3df-82322b2acdfa/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