./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.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_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/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_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/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_afa73739-8879-4bcb-950f-02e25b0aac4c/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 27f3eb1553a4773d3ad948aa9e62c9fff0038ffd5b126838e211f7b13e5fc516 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:51:14,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:51:14,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:51:14,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:51:14,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:51:14,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:51:14,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:51:14,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:51:14,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:51:14,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:51:14,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:51:14,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:51:14,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:51:14,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:51:14,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:51:14,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:51:14,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:51:14,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:51:14,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:51:14,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:51:14,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:51:14,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:51:14,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:51:14,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:51:14,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:51:14,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:51:14,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:51:14,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:51:14,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:51:14,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:51:14,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:51:14,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:51:14,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:51:14,427 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_afa73739-8879-4bcb-950f-02e25b0aac4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27f3eb1553a4773d3ad948aa9e62c9fff0038ffd5b126838e211f7b13e5fc516 [2023-12-02 22:51:14,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:51:14,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:51:14,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:51:14,662 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:51:14,662 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:51:14,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2023-12-02 22:51:17,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:51:17,669 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:51:17,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2023-12-02 22:51:17,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/data/f95532e6d/60d112deb2294ef7905dc1b134914b89/FLAGb77714d85 [2023-12-02 22:51:17,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/data/f95532e6d/60d112deb2294ef7905dc1b134914b89 [2023-12-02 22:51:17,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:51:17,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:51:17,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:51:17,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:51:17,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:51:17,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:17" (1/1) ... [2023-12-02 22:51:17,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ccfd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:17, skipping insertion in model container [2023-12-02 22:51:17,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:51:17" (1/1) ... [2023-12-02 22:51:17,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:51:17,924 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_afa73739-8879-4bcb-950f-02e25b0aac4c/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2023-12-02 22:51:18,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:51:18,090 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:51:18,114 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_afa73739-8879-4bcb-950f-02e25b0aac4c/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2023-12-02 22:51:18,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:51:18,222 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:51:18,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18 WrapperNode [2023-12-02 22:51:18,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:51:18,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:51:18,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:51:18,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:51:18,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,317 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-02 22:51:18,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:51:18,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:51:18,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:51:18,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:51:18,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:51:18,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:51:18,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:51:18,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:51:18,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:51:18" (1/1) ... [2023-12-02 22:51:18,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:51:18,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:51:18,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:51:18,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:51:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:51:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:51:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:51:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:51:18,533 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:51:18,535 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:51:19,620 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:51:23,657 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:51:23,657 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:51:23,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:23 BoogieIcfgContainer [2023-12-02 22:51:23,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:51:23,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:51:23,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:51:23,670 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:51:23,670 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:23" (1/1) ... [2023-12-02 22:51:23,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:51:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:23,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-02 22:51:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-02 22:51:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:51:23,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:23,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-02 22:51:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-02 22:51:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:51:24,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:24,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:51:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-02 22:51:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-02 22:51:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:51:42,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:42,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:03:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-12-02 23:03:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-12-02 23:03:31,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:03:31,007 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-02 23:03:31,015 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:03:31,141 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-12-02 23:03:31,149 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:03:31,149 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-02 23:03:31,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:03:31 ImpRootNode [2023-12-02 23:03:31,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:03:31,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:03:31,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:03:31,151 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:03:31,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:51:23" (3/4) ... [2023-12-02 23:03:31,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:03:31,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 234 nodes and edges [2023-12-02 23:03:31,179 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 23:03:31,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:03:31,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:03:31,374 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:03:31,375 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:03:31,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:03:31,376 INFO L158 Benchmark]: Toolchain (without parser) took 733669.26ms. Allocated memory was 155.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 110.6MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2023-12-02 23:03:31,376 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:03:31,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.49ms. Allocated memory is still 155.2MB. Free memory was 110.1MB in the beginning and 121.8MB in the end (delta: -11.6MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-12-02 23:03:31,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.49ms. Allocated memory is still 155.2MB. Free memory was 121.7MB in the beginning and 116.8MB in the end (delta: 4.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-12-02 23:03:31,377 INFO L158 Benchmark]: Boogie Preprocessor took 76.65ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 110.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:03:31,377 INFO L158 Benchmark]: RCFGBuilder took 5263.03ms. Allocated memory was 155.2MB in the beginning and 666.9MB in the end (delta: 511.7MB). Free memory was 110.5MB in the beginning and 449.3MB in the end (delta: -338.8MB). Peak memory consumption was 233.6MB. Max. memory is 16.1GB. [2023-12-02 23:03:31,378 INFO L158 Benchmark]: CodeCheck took 727490.33ms. Allocated memory was 666.9MB in the beginning and 2.4GB in the end (delta: 1.7GB). Free memory was 449.3MB in the beginning and 2.2GB in the end (delta: -1.8GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:03:31,378 INFO L158 Benchmark]: Witness Printer took 224.16ms. Allocated memory is still 2.4GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:03:31,380 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: 727.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 25 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 726.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 10/13 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: 146]: 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: ((((a12 < 12) || !((a24 == 1))) || !((7 == a21))) || !((a15 == 6))) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((!((a24 == 1)) || !((7 == a21))) || !((a15 == 6))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.49ms. Allocated memory is still 155.2MB. Free memory was 110.1MB in the beginning and 121.8MB in the end (delta: -11.6MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.49ms. Allocated memory is still 155.2MB. Free memory was 121.7MB in the beginning and 116.8MB in the end (delta: 4.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.65ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 110.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5263.03ms. Allocated memory was 155.2MB in the beginning and 666.9MB in the end (delta: 511.7MB). Free memory was 110.5MB in the beginning and 449.3MB in the end (delta: -338.8MB). Peak memory consumption was 233.6MB. Max. memory is 16.1GB. * CodeCheck took 727490.33ms. Allocated memory was 666.9MB in the beginning and 2.4GB in the end (delta: 1.7GB). Free memory was 449.3MB in the beginning and 2.2GB in the end (delta: -1.8GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 224.16ms. Allocated memory is still 2.4GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:03:31,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afa73739-8879-4bcb-950f-02e25b0aac4c/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