./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.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_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/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_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/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_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/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 1133d4e628bca1624f90bda56a6327f24f5efa9815c748be39cd9f3813ed8b8e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:23:41,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:23:41,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:23:41,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:23:41,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:23:41,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:23:41,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:23:41,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:23:41,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:23:41,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:23:41,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:23:41,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:23:41,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:23:41,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:23:41,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:23:41,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:23:41,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:23:41,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:23:41,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:23:41,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:23:41,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:23:41,419 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:23:41,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:23:41,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:23:41,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:23:41,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:23:41,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:23:41,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:41,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:23:41,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:23:41,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:23:41,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:23:41,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:23:41,422 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_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/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 -> 1133d4e628bca1624f90bda56a6327f24f5efa9815c748be39cd9f3813ed8b8e [2024-11-25 04:23:41,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:23:41,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:23:41,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:23:41,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:23:41,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:23:41,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2024-11-25 04:23:45,531 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/data/878ddfa70/893f7cc604eb40ccb2b640ed2b1c491d/FLAG21333bf46 [2024-11-25 04:23:46,162 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:23:46,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2024-11-25 04:23:46,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/data/878ddfa70/893f7cc604eb40ccb2b640ed2b1c491d/FLAG21333bf46 [2024-11-25 04:23:46,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/data/878ddfa70/893f7cc604eb40ccb2b640ed2b1c491d [2024-11-25 04:23:46,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:23:46,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:23:46,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:23:46,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:23:46,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:23:46,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:23:46" (1/1) ... [2024-11-25 04:23:46,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243d2220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:46, skipping insertion in model container [2024-11-25 04:23:46,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:23:46" (1/1) ... [2024-11-25 04:23:46,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:23:46,652 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_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/sv-benchmarks/c/eca-rers2012/Problem14_label00.c[5469,5482] [2024-11-25 04:23:46,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:23:46,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:23:46,903 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_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/sv-benchmarks/c/eca-rers2012/Problem14_label00.c[5469,5482] [2024-11-25 04:23:47,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:23:47,053 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:23:47,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47 WrapperNode [2024-11-25 04:23:47,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:23:47,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:23:47,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:23:47,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:23:47,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,154 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 04:23:47,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:23:47,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:23:47,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:23:47,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:23:47,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:23:47,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:23:47,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:23:47,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:23:47,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:47" (1/1) ... [2024-11-25 04:23:47,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:47,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:23:47,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:23:47,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:23:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:23:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:23:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:23:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:23:47,394 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:23:47,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:23:49,004 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 04:23:49,004 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:23:54,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:23:54,268 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:23:54,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:54 BoogieIcfgContainer [2024-11-25 04:23:54,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:23:54,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:23:54,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:23:54,278 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:23:54,279 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:54" (1/1) ... [2024-11-25 04:23:54,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:23:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:23:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:23:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:23:54,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:54,588 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 04:23:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 04:23:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:23:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:23:54,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:54,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:20,503 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 04:24:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 04:24:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 04:24:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:24:21,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:02,633 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 04:25:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-25 04:25:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-25 04:25:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:25:03,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:03,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:19,655 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 04:26:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2024-11-25 04:26:21,175 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2024-11-25 04:26:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:26:21,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:21,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:26:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 04:26:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2024-11-25 04:26:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2024-11-25 04:26:43,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:26:43,803 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:26:43,810 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:26:44,066 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-25 04:26:44,066 INFO L77 FloydHoareUtils]: At program point L169-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-25 04:26:44,067 INFO L77 FloydHoareUtils]: At program point L172-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-25 04:26:44,067 INFO L75 FloydHoareUtils]: For program point L173(line 173) no Hoare annotation was computed. [2024-11-25 04:26:44,067 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:26:44,067 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2024-11-25 04:26:44,067 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 04:26:44,068 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:26:44,068 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-25 04:26:44,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:26:44 ImpRootNode [2024-11-25 04:26:44,088 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:26:44,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:26:44,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:26:44,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:26:44,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:54" (3/4) ... [2024-11-25 04:26:44,095 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:26:44,129 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-25 04:26:44,131 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 04:26:44,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 04:26:44,135 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:26:44,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:26:44,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:26:44,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:26:44,340 INFO L158 Benchmark]: Toolchain (without parser) took 178105.09ms. Allocated memory was 109.1MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 80.6MB in the beginning and 712.1MB in the end (delta: -631.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-25 04:26:44,340 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:26:44,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.11ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 49.0MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:26:44,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.98ms. Allocated memory is still 109.1MB. Free memory was 49.0MB in the beginning and 39.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:26:44,342 INFO L158 Benchmark]: Boogie Preprocessor took 94.94ms. Allocated memory is still 109.1MB. Free memory was 39.4MB in the beginning and 75.5MB in the end (delta: -36.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-25 04:26:44,344 INFO L158 Benchmark]: RCFGBuilder took 7017.96ms. Allocated memory was 109.1MB in the beginning and 427.8MB in the end (delta: 318.8MB). Free memory was 75.5MB in the beginning and 217.0MB in the end (delta: -141.5MB). Peak memory consumption was 293.9MB. Max. memory is 16.1GB. [2024-11-25 04:26:44,344 INFO L158 Benchmark]: CodeCheck took 169818.99ms. Allocated memory was 427.8MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 217.0MB in the beginning and 724.6MB in the end (delta: -507.5MB). Peak memory consumption was 872.3MB. Max. memory is 16.1GB. [2024-11-25 04:26:44,344 INFO L158 Benchmark]: Witness Printer took 250.62ms. Allocated memory is still 1.8GB. Free memory was 724.6MB in the beginning and 712.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:26:44,346 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: 169.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 173 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 71 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 573 GetRequests, 482 SyntacticMatches, 11 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3330 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 164.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20/55 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: 173]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a24 != 1) || (7 != a21)) || (0 < ((long long) a12 + 43))) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (7 != a21)) || (0 < ((long long) a12 + 43))) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.11ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 49.0MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.98ms. Allocated memory is still 109.1MB. Free memory was 49.0MB in the beginning and 39.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.94ms. Allocated memory is still 109.1MB. Free memory was 39.4MB in the beginning and 75.5MB in the end (delta: -36.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7017.96ms. Allocated memory was 109.1MB in the beginning and 427.8MB in the end (delta: 318.8MB). Free memory was 75.5MB in the beginning and 217.0MB in the end (delta: -141.5MB). Peak memory consumption was 293.9MB. Max. memory is 16.1GB. * CodeCheck took 169818.99ms. Allocated memory was 427.8MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 217.0MB in the beginning and 724.6MB in the end (delta: -507.5MB). Peak memory consumption was 872.3MB. Max. memory is 16.1GB. * Witness Printer took 250.62ms. Allocated memory is still 1.8GB. Free memory was 724.6MB in the beginning and 712.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:26:44,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff688846-bbf7-4f69-b0b3-66fd1343fa9b/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