./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.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_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/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_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/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_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/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 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:19:17,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:19:17,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:19:17,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:19:17,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:19:17,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:19:17,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:19:17,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:19:17,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:19:17,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:19:17,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:19:17,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:19:17,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:19:17,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:19:17,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:19:17,294 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:19:17,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:19:17,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:19:17,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:19:17,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:19:17,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:19:17,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:19:17,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:19:17,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:19:17,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:19:17,296 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:19:17,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:19:17,296 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_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/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 -> 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a [2024-11-25 05:19:17,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:19:17,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:19:17,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:19:17,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:19:17,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:19:17,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2024-11-25 05:19:20,842 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/data/6d314fb50/8d3eefdc18bd4d578e4ebcb2d7d6b3fb/FLAGde3ea380d [2024-11-25 05:19:21,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:19:21,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2024-11-25 05:19:21,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/data/6d314fb50/8d3eefdc18bd4d578e4ebcb2d7d6b3fb/FLAGde3ea380d [2024-11-25 05:19:21,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/data/6d314fb50/8d3eefdc18bd4d578e4ebcb2d7d6b3fb [2024-11-25 05:19:21,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:19:21,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:19:21,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:21,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:19:21,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:19:21,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:21,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6731c869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21, skipping insertion in model container [2024-11-25 05:19:21,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:21,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:19:21,612 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_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2024-11-25 05:19:21,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:19:21,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:19:21,838 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_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2024-11-25 05:19:21,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:19:21,928 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:19:21,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21 WrapperNode [2024-11-25 05:19:21,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:21,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:19:21,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:19:21,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:19:21,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:21,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,049 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 05:19:22,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:19:22,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:19:22,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:19:22,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:19:22,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,105 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:19:22,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:19:22,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:19:22,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:19:22,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:21" (1/1) ... [2024-11-25 05:19:22,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:19:22,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:19:22,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:19:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:19:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:19:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:19:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:19:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:19:22,285 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:19:22,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:19:23,835 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 05:19:23,836 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:19:27,272 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:19:27,273 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:19:27,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:27 BoogieIcfgContainer [2024-11-25 05:19:27,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:19:27,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:19:27,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:19:27,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:19:27,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:27" (1/1) ... [2024-11-25 05:19:27,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:19:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 05:19:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 05:19:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:19:27,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:19:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:27,605 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 05:19:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 05:19:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 05:19:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:19:27,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:19:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:41,028 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 05:19:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 05:19:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 05:19:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:19:41,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:19:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:59,413 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 05:20:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-25 05:20:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-25 05:20:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:20:00,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:16,481 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 05:20:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2024-11-25 05:20:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2024-11-25 05:20:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:20:17,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:17,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:20:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2024-11-25 05:20:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-11-25 05:20:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:20:30,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:30,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:20:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2024-11-25 05:20:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2024-11-25 05:20:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:20:41,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:41,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:20:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:51,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-25 05:20:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-25 05:20:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:20:51,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:51,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:21:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2024-11-25 05:21:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2024-11-25 05:21:02,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:21:02,509 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 05:21:02,520 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:21:03,007 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 6) (not (= ~a10~0 1)) (< 0 (+ ~a1~0 8))) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-25 05:21:03,008 INFO L77 FloydHoareUtils]: At program point L118-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 218))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 05:21:03,008 INFO L77 FloydHoareUtils]: At program point L121-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 218))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 05:21:03,008 INFO L75 FloydHoareUtils]: For program point L122(line 122) no Hoare annotation was computed. [2024-11-25 05:21:03,008 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 05:21:03,008 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:21:03,008 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:21:03,009 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 6) (not (= ~a10~0 1)) (< 0 (+ ~a1~0 8))) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-25 05:21:03,009 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2024-11-25 05:21:03,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:21:03 ImpRootNode [2024-11-25 05:21:03,023 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:21:03,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:21:03,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:21:03,024 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:21:03,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:27" (3/4) ... [2024-11-25 05:21:03,027 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:21:03,051 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-25 05:21:03,056 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 05:21:03,059 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:21:03,060 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:21:03,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:21:03,236 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:21:03,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:21:03,237 INFO L158 Benchmark]: Toolchain (without parser) took 101933.80ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 116.0MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,237 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:21:03,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.60ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 88.4MB in the end (delta: 27.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.92ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 80.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,240 INFO L158 Benchmark]: Boogie Preprocessor took 93.01ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 76.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,241 INFO L158 Benchmark]: RCFGBuilder took 5128.31ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.1MB in the beginning and 221.2MB in the end (delta: -145.1MB). Peak memory consumption was 193.7MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,243 INFO L158 Benchmark]: CodeCheck took 95749.21ms. Allocated memory was 352.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 221.2MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,244 INFO L158 Benchmark]: Witness Printer took 212.29ms. Allocated memory is still 1.8GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:21:03,245 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: 95.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1001 IncrementalHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 140 mSDtfsCounter, 1001 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1087 GetRequests, 945 SyntacticMatches, 50 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3992 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 89.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 48/107 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: 122]: 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: 592]: Loop Invariant Derived loop invariant: ((((((a19 < 6) || (a10 != 1)) || (0 < ((long long) a1 + 8))) && (14 == a4)) && (a12 == 0)) || (((6 < a19) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a10 != 1)) || ((0 <= ((long long) a1 + 12)) && (a1 <= 218))) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.60ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 88.4MB in the end (delta: 27.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.92ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 80.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.01ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 76.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5128.31ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.1MB in the beginning and 221.2MB in the end (delta: -145.1MB). Peak memory consumption was 193.7MB. Max. memory is 16.1GB. * CodeCheck took 95749.21ms. Allocated memory was 352.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 221.2MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Witness Printer took 212.29ms. Allocated memory is still 1.8GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:21:03,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c429c4-146c-42ae-b3fb-e7e4b69eca66/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