./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9 --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 36c4f398f3dd25e23888dcd464dc3e7bec605b7ae2926315db1bc9b1d50c18a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:40:52,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:40:52,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:40:52,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:40:52,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:40:52,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:40:52,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:40:52,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:40:52,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:40:52,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:40:52,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:40:52,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:40:52,466 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:40:52,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:40:52,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:40:52,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:40:52,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:40:52,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:40:52,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:40:52,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:40:52,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:40:52,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:40:52,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:40:52,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:40:52,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:40:52,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:40:52,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:52,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:40:52,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:40:52,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:40:52,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:40:52,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:40:52,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:40:52,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c4f398f3dd25e23888dcd464dc3e7bec605b7ae2926315db1bc9b1d50c18a1 [2023-12-03 04:40:52,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:40:52,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:40:52,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:40:52,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:40:52,700 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:40:52,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2023-12-03 04:40:55,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:40:55,720 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:40:55,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2023-12-03 04:40:55,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/data/b1280e649/6b2d95ef9ccc49d8835340d7d6fe1ebb/FLAGbb586109e [2023-12-03 04:40:55,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/data/b1280e649/6b2d95ef9ccc49d8835340d7d6fe1ebb [2023-12-03 04:40:55,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:40:55,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:40:55,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:55,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:40:55,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:40:55,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:55" (1/1) ... [2023-12-03 04:40:55,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4419dc4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:55, skipping insertion in model container [2023-12-03 04:40:55,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:55" (1/1) ... [2023-12-03 04:40:55,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:40:55,983 WARN L240 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_f6a8f222-3f71-4155-be93-547951743550/sv-benchmarks/c/eca-rers2012/Problem14_label26.c[6725,6738] [2023-12-03 04:40:56,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:56,130 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:40:56,161 WARN L240 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_f6a8f222-3f71-4155-be93-547951743550/sv-benchmarks/c/eca-rers2012/Problem14_label26.c[6725,6738] [2023-12-03 04:40:56,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:56,270 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:40:56,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56 WrapperNode [2023-12-03 04:40:56,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:56,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:56,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:40:56,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:40:56,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,368 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-03 04:40:56,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:56,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:40:56,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:40:56,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:40:56,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:40:56,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:40:56,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:40:56,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:40:56,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:56" (1/1) ... [2023-12-03 04:40:56,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:56,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:40:56,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:40:56,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:40:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:40:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:40:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:40:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:40:56,588 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:40:56,591 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:40:57,748 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:01,539 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:01,539 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:41:01,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:01 BoogieIcfgContainer [2023-12-03 04:41:01,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:01,542 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:01,542 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:01,552 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:01,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:01" (1/1) ... [2023-12-03 04:41:01,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:41:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 04:41:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 04:41:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:41:01,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:01,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 04:41:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 04:41:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:41:01,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:01,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-12-03 04:41:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-03 04:41:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:41:21,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:21,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 04:41:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 04:41:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:41:58,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:58,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-12-03 04:42:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-03 04:42:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:42:33,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:42:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-12-03 04:42:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-12-03 04:42:55,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:42:55,552 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 04:42:55,560 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:42:55,775 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-12-03 04:42:55,782 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:42:55,782 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-12-03 04:42:55,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:42:55 ImpRootNode [2023-12-03 04:42:55,784 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:42:55,784 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:42:55,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:42:55,785 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:42:55,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:01" (3/4) ... [2023-12-03 04:42:55,787 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:42:55,810 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2023-12-03 04:42:55,813 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 04:42:55,815 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:42:55,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:42:56,019 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:42:56,020 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:42:56,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:42:56,021 INFO L158 Benchmark]: Toolchain (without parser) took 120267.96ms. Allocated memory was 155.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 122.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 836.4MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,021 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:42:56,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.09ms. Allocated memory is still 155.2MB. Free memory was 122.6MB in the beginning and 89.3MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.37ms. Allocated memory is still 155.2MB. Free memory was 89.3MB in the beginning and 78.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,022 INFO L158 Benchmark]: Boogie Preprocessor took 74.17ms. Allocated memory is still 155.2MB. Free memory was 78.6MB in the beginning and 72.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,022 INFO L158 Benchmark]: RCFGBuilder took 5096.68ms. Allocated memory was 155.2MB in the beginning and 339.7MB in the end (delta: 184.5MB). Free memory was 72.3MB in the beginning and 73.0MB in the end (delta: -699.8kB). Peak memory consumption was 190.9MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,023 INFO L158 Benchmark]: CodeCheck took 114241.55ms. Allocated memory was 339.7MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 73.0MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 584.6MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,023 INFO L158 Benchmark]: Witness Printer took 235.50ms. Allocated memory is still 2.3GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:42:56,025 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: 114.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 297 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 59 mSDtfsCounter, 297 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 499 GetRequests, 436 SyntacticMatches, 11 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 111.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20/44 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 - PositiveResult [Line: 212]: 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]: Loop Invariant Derived loop invariant: (((!((a24 == 1)) || !((a15 == 6))) || ((49 + a12) <= 0)) || !((a21 == 8))) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((!((a24 == 1)) || (a21 == 9)) || (9 < a21)) || !((a15 == 6))) || (a21 <= 7)) || (11 < a12)) || ((49 + a12) <= 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.09ms. Allocated memory is still 155.2MB. Free memory was 122.6MB in the beginning and 89.3MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.37ms. Allocated memory is still 155.2MB. Free memory was 89.3MB in the beginning and 78.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.17ms. Allocated memory is still 155.2MB. Free memory was 78.6MB in the beginning and 72.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5096.68ms. Allocated memory was 155.2MB in the beginning and 339.7MB in the end (delta: 184.5MB). Free memory was 72.3MB in the beginning and 73.0MB in the end (delta: -699.8kB). Peak memory consumption was 190.9MB. Max. memory is 16.1GB. * CodeCheck took 114241.55ms. Allocated memory was 339.7MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 73.0MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 584.6MB. Max. memory is 16.1GB. * Witness Printer took 235.50ms. Allocated memory is still 2.3GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:42:56,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a8f222-3f71-4155-be93-547951743550/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE