./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.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_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/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_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/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_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/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 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:36:57,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:36:57,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:36:57,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:36:57,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:36:57,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:36:57,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:36:57,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:36:57,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:36:57,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:36:57,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:36:57,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:36:57,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:36:57,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:36:57,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:36:57,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:36:57,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:36:57,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:36:57,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:36:57,308 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:36:57,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:36:57,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:36:57,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:36:57,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:36:57,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:36:57,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:36:57,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:36:57,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:36:57,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:36:57,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:36:57,313 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:36:57,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:36:57,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:36:57,315 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_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d19293d6c97292eadc216d0bdf76553228738bf7b7f58bcd2246dd2ebdace18 [2023-12-03 01:36:57,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:36:57,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:36:57,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:36:57,532 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:36:57,532 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:36:57,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2023-12-03 01:37:00,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:37:00,461 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:37:00,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2023-12-03 01:37:00,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/data/7a359e875/6276d50de5ba41659b2767cffa1874d4/FLAG0a54cade2 [2023-12-03 01:37:00,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/data/7a359e875/6276d50de5ba41659b2767cffa1874d4 [2023-12-03 01:37:00,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:37:00,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:37:00,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:37:00,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:37:00,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:37:00,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:00,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40982a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00, skipping insertion in model container [2023-12-03 01:37:00,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:00,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:37:00,703 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_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2023-12-03 01:37:00,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:37:00,835 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:37:00,856 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_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/sv-benchmarks/c/eca-rers2012/Problem10_label19.c[3486,3499] [2023-12-03 01:37:00,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:37:00,953 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:37:00,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00 WrapperNode [2023-12-03 01:37:00,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:37:00,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:37:00,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:37:00,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:37:00,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:00,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,028 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-12-03 01:37:01,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:37:01,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:37:01,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:37:01,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:37:01,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:37:01,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:37:01,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:37:01,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:37:01,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:37:00" (1/1) ... [2023-12-03 01:37:01,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:37:01,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:37:01,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:37:01,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:37:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:37:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:37:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:37:01,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:37:01,248 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:37:01,250 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:37:02,207 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:37:04,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:37:04,578 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:37:04,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:37:04 BoogieIcfgContainer [2023-12-03 01:37:04,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:37:04,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:37:04,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:37:04,589 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:37:04,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:37:04" (1/1) ... [2023-12-03 01:37:04,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:37:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 01:37:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 01:37:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:37:04,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:04,826 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 01:37:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 01:37:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 01:37:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:37:04,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:04,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:16,067 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 01:37:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-12-03 01:37:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-12-03 01:37:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:37:16,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:16,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:27,655 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 01:37:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2023-12-03 01:37:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2023-12-03 01:37:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:37:28,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:28,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:38,907 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 01:37:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-12-03 01:37:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-03 01:37:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:37:39,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:37:39,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:37:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:37:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:37:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:37:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2023-12-03 01:37:51,078 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2023-12-03 01:37:51,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:37:51,079 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 01:37:51,087 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:37:51,303 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 01:37:51,310 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-12-03 01:37:51,311 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:37:51,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:37:51 ImpRootNode [2023-12-03 01:37:51,311 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:37:51,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:37:51,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:37:51,312 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:37:51,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:37:04" (3/4) ... [2023-12-03 01:37:51,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:37:51,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2023-12-03 01:37:51,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 01:37:51,335 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:37:51,336 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:37:51,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:37:51,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:37:51,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:37:51,485 INFO L158 Benchmark]: Toolchain (without parser) took 50992.88ms. Allocated memory was 136.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 105.2MB in the beginning and 1.1GB in the end (delta: -965.1MB). Peak memory consumption was 461.1MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,485 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory was 62.0MB in the beginning and 61.8MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:37:51,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.89ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 77.1MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.11ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 69.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,486 INFO L158 Benchmark]: Boogie Preprocessor took 82.90ms. Allocated memory is still 136.3MB. Free memory was 68.7MB in the beginning and 63.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,487 INFO L158 Benchmark]: RCFGBuilder took 3467.09ms. Allocated memory was 136.3MB in the beginning and 247.5MB in the end (delta: 111.1MB). Free memory was 63.9MB in the beginning and 93.1MB in the end (delta: -29.2MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,487 INFO L158 Benchmark]: CodeCheck took 46730.12ms. Allocated memory was 247.5MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 93.1MB in the beginning and 1.1GB in the end (delta: -989.8MB). Peak memory consumption was 324.1MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,487 INFO L158 Benchmark]: Witness Printer took 172.56ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:37:51,489 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: 46.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 59 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 521 GetRequests, 445 SyntacticMatches, 20 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1359 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 43.9s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 609 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/44 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: 101]: 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: (((((0 < (9 + a1)) || !((a10 == 0))) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && !((7 == a19))) && (a12 == 0))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((218 < a1) || !((7 == a19))) || !((a10 == 0))) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory was 62.0MB in the beginning and 61.8MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.89ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 77.1MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.11ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 69.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.90ms. Allocated memory is still 136.3MB. Free memory was 68.7MB in the beginning and 63.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3467.09ms. Allocated memory was 136.3MB in the beginning and 247.5MB in the end (delta: 111.1MB). Free memory was 63.9MB in the beginning and 93.1MB in the end (delta: -29.2MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. * CodeCheck took 46730.12ms. Allocated memory was 247.5MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 93.1MB in the beginning and 1.1GB in the end (delta: -989.8MB). Peak memory consumption was 324.1MB. Max. memory is 16.1GB. * Witness Printer took 172.56ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:37:51,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6cd4d48-3cd5-4769-a71e-637a3e41ebab/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