./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.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_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/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_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/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_84dd5686-a541-4b1d-892a-cc9f071a61b6/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 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:41,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:41,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:57:41,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:41,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:41,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:41,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:41,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:41,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:41,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:41,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:41,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:41,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:41,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:41,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:41,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:41,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:41,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:41,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:41,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:41,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:41,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:41,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:41,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:41,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:41,978 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_84dd5686-a541-4b1d-892a-cc9f071a61b6/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 -> 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 [2024-11-25 01:57:42,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:42,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:42,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:42,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:42,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:42,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2024-11-25 01:57:45,260 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/data/f17950ffa/464e3e258e99463a9aba7d99e0372fe0/FLAGef0aadc36 [2024-11-25 01:57:45,751 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:45,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2024-11-25 01:57:45,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/data/f17950ffa/464e3e258e99463a9aba7d99e0372fe0/FLAGef0aadc36 [2024-11-25 01:57:45,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/data/f17950ffa/464e3e258e99463a9aba7d99e0372fe0 [2024-11-25 01:57:45,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:45,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:45,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:45,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:45,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:45,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:45" (1/1) ... [2024-11-25 01:57:45,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efbc54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:45, skipping insertion in model container [2024-11-25 01:57:45,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:45" (1/1) ... [2024-11-25 01:57:45,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:46,162 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_84dd5686-a541-4b1d-892a-cc9f071a61b6/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2024-11-25 01:57:46,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:46,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:46,615 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_84dd5686-a541-4b1d-892a-cc9f071a61b6/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2024-11-25 01:57:46,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:46,881 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:46,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46 WrapperNode [2024-11-25 01:57:46,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:46,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:46,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:46,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,090 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-11-25 01:57:47,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:47,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:47,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:47,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:47,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:47,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:47,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:47,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:47,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:47,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:47,429 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:47,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:50,553 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:50,553 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:08,151 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:08,152 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:58:08,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:08 BoogieIcfgContainer [2024-11-25 01:58:08,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:08,153 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:08,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:08,166 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:08,166 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:08" (1/1) ... [2024-11-25 01:58:08,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 01:58:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 01:58:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 01:58:08,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:08,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:08,765 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 01:58:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 01:58:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 01:58:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:58:09,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:09,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:42,918 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 02:00:44,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:00:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-25 02:00:45,110 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-25 02:00:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:00:45,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:00:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:53,584 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 02:05:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2024-11-25 02:05:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2024-11-25 02:05:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:05:55,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:55,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:05:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:09:09,988 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 02:09:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:09:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2024-11-25 02:09:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-11-25 02:09:10,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:09:10,591 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 02:09:10,602 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:09:10,925 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:09:10,925 INFO L77 FloydHoareUtils]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2024-11-25 02:09:10,926 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2024-11-25 02:09:10,928 INFO L77 FloydHoareUtils]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-11-25 02:09:10,928 INFO L77 FloydHoareUtils]: At program point L136-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-11-25 02:09:10,928 INFO L77 FloydHoareUtils]: At program point L1788(line 1788) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-11-25 02:09:10,928 INFO L77 FloydHoareUtils]: At program point L139-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-11-25 02:09:10,929 INFO L75 FloydHoareUtils]: For program point L140(line 140) no Hoare annotation was computed. [2024-11-25 02:09:10,929 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:09:10,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:09:10 ImpRootNode [2024-11-25 02:09:10,955 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:09:10,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:09:10,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:09:10,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:09:10,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:08" (3/4) ... [2024-11-25 02:09:10,960 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:09:11,006 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 385 nodes and edges [2024-11-25 02:09:11,010 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:09:11,013 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:09:11,016 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:09:11,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:09:11,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:09:11,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:09:11,299 INFO L158 Benchmark]: Toolchain (without parser) took 685471.87ms. Allocated memory was 117.4MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 87.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2024-11-25 02:09:11,300 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:09:11,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1055.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 78.3MB in the end (delta: 9.4MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-11-25 02:09:11,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.29ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 54.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:09:11,302 INFO L158 Benchmark]: Boogie Preprocessor took 171.29ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 41.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:09:11,303 INFO L158 Benchmark]: RCFGBuilder took 20887.85ms. Allocated memory was 117.4MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 41.8MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 02:09:11,303 INFO L158 Benchmark]: CodeCheck took 662801.55ms. Allocated memory is still 6.0GB. Free memory was 5.3GB in the beginning and 3.0GB in the end (delta: 2.3GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-25 02:09:11,304 INFO L158 Benchmark]: Witness Printer took 340.51ms. Allocated memory is still 6.0GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:09:11,307 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: 662.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 46 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 655.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 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: 140]: 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: 1783]: Loop Invariant Derived loop invariant: ((((a15 != 3) || (a12 != 9)) || (0 < ((long long) a18 + 156))) || (a16 != 9)) - InvariantResult [Line: 33]: Location Invariant Derived location invariant: ((((a15 != 3) || (a12 != 9)) || (0 < ((long long) a18 + 156))) || (a16 != 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1055.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 78.3MB in the end (delta: 9.4MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.29ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 54.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.29ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 41.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 20887.85ms. Allocated memory was 117.4MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 41.8MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 662801.55ms. Allocated memory is still 6.0GB. Free memory was 5.3GB in the beginning and 3.0GB in the end (delta: 2.3GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Witness Printer took 340.51ms. Allocated memory is still 6.0GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:09:11,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84dd5686-a541-4b1d-892a-cc9f071a61b6/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