./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/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_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/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_74ddb93c-6708-4491-934c-34aed49ea53c/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 ffbcc3b4e73f8ad55a0649493c69e3be3f48518c4d71790476a2cf0516dec892 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:44:05,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:44:06,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:44:06,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:44:06,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:44:06,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:44:06,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:44:06,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:44:06,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:44:06,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:44:06,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:44:06,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:44:06,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:44:06,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:44:06,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:44:06,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:44:06,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:44:06,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:44:06,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:44:06,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:44:06,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:44:06,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:44:06,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:44:06,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:44:06,062 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:44:06,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:44:06,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:06,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:44:06,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:44:06,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:44:06,065 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:44:06,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:44:06,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:44:06,078 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_74ddb93c-6708-4491-934c-34aed49ea53c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbcc3b4e73f8ad55a0649493c69e3be3f48518c4d71790476a2cf0516dec892 [2023-12-02 22:44:06,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:44:06,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:44:06,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:44:06,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:44:06,320 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:44:06,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2023-12-02 22:44:09,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:44:09,359 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:44:09,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2023-12-02 22:44:09,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/data/3b31cd1a5/cc299cae66584469bb91f99174f84ced/FLAG4b5853758 [2023-12-02 22:44:09,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/data/3b31cd1a5/cc299cae66584469bb91f99174f84ced [2023-12-02 22:44:09,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:44:09,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:44:09,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:09,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:44:09,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:44:09,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:09" (1/1) ... [2023-12-02 22:44:09,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17dffd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:09, skipping insertion in model container [2023-12-02 22:44:09,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:09" (1/1) ... [2023-12-02 22:44:09,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:44:09,605 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_74ddb93c-6708-4491-934c-34aed49ea53c/sv-benchmarks/c/eca-rers2012/Problem11_label12.c[3684,3697] [2023-12-02 22:44:09,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:09,857 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:44:09,877 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_74ddb93c-6708-4491-934c-34aed49ea53c/sv-benchmarks/c/eca-rers2012/Problem11_label12.c[3684,3697] [2023-12-02 22:44:09,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:10,012 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:44:10,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10 WrapperNode [2023-12-02 22:44:10,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:10,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:10,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:44:10,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:44:10,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,173 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-02 22:44:10,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:10,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:44:10,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:44:10,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:44:10,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:44:10,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:44:10,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:44:10,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:44:10,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:10,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:44:10,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:44:10,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:44:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:44:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:44:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:44:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:44:10,415 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:44:10,417 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:44:11,882 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:44:17,815 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:44:17,815 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:44:17,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:17 BoogieIcfgContainer [2023-12-02 22:44:17,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:44:17,817 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:44:17,817 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:44:17,824 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:44:17,824 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:44:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-02 22:44:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-02 22:44:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:44:17,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:17,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:44:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:18,079 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 22:44:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-02 22:44:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-02 22:44:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:44:18,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:44:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:49,054 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 22:44:59,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:45:06,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:45:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-12-02 22:45:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-12-02 22:45:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:45:06,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:45:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:46:34,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:35,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2023-12-02 22:46:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-12-02 22:46:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:46:35,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:35,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2023-12-02 22:48:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2023-12-02 22:48:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:48:02,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:48:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2023-12-02 22:48:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2023-12-02 22:48:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:48:52,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:49:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-12-02 22:49:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-12-02 22:49:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:49:42,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:50:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2023-12-02 22:50:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2023-12-02 22:50:31,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:50:31,458 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-02 22:50:31,464 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:50:31,884 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2023-12-02 22:50:31,891 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2023-12-02 22:50:31,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:50:31,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:50:31 ImpRootNode [2023-12-02 22:50:31,894 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:50:31,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:50:31,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:50:31,895 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:50:31,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:17" (3/4) ... [2023-12-02 22:50:31,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:50:31,922 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 272 nodes and edges [2023-12-02 22:50:31,924 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-02 22:50:31,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:50:31,928 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:50:32,101 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:50:32,101 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:50:32,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:50:32,102 INFO L158 Benchmark]: Toolchain (without parser) took 382709.50ms. Allocated memory was 172.0MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 125.6MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 847.0MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,103 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 154.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:50:32,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.99ms. Allocated memory is still 172.0MB. Free memory was 125.6MB in the beginning and 80.3MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.98ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 80.3MB in the beginning and 183.0MB in the end (delta: -102.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,104 INFO L158 Benchmark]: Boogie Preprocessor took 112.27ms. Allocated memory is still 228.6MB. Free memory was 182.0MB in the beginning and 172.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,105 INFO L158 Benchmark]: RCFGBuilder took 7529.63ms. Allocated memory was 228.6MB in the beginning and 620.8MB in the end (delta: 392.2MB). Free memory was 172.2MB in the beginning and 208.3MB in the end (delta: -36.0MB). Peak memory consumption was 418.3MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,105 INFO L158 Benchmark]: CodeCheck took 374076.54ms. Allocated memory was 620.8MB in the beginning and 3.4GB in the end (delta: 2.7GB). Free memory was 208.3MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 460.5MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,106 INFO L158 Benchmark]: Witness Printer took 206.96ms. Allocated memory is still 3.4GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:50:32,108 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: 373.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 127.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 127.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 723 IncrementalHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 115 mSDtfsCounter, 723 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 911 GetRequests, 806 SyntacticMatches, 41 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1787 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 345.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 91]: 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: 1044]: Loop Invariant Derived loop invariant: (((((a25 <= 10) && (a4 == 1)) && (312 <= a23)) && (a29 <= 130)) || (((a3 == 1) && (a8 == 15)) && ((((0 < (a23 + 42)) || !((a25 == 12))) || !((a4 == 1))) || (a29 < 246)))) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a25 <= 10) && (a4 == 1)) && (312 <= a23)) && (a29 <= 130)) || (((a29 < 221) && (a3 == 1)) && (a8 == 15))) || (((a3 == 1) && ((((0 < (a23 + 43)) || !((a25 == 12))) || (277 < a29)) || !((a4 == 1)))) && (a8 == 15))) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 154.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.99ms. Allocated memory is still 172.0MB. Free memory was 125.6MB in the beginning and 80.3MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.98ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 80.3MB in the beginning and 183.0MB in the end (delta: -102.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.27ms. Allocated memory is still 228.6MB. Free memory was 182.0MB in the beginning and 172.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7529.63ms. Allocated memory was 228.6MB in the beginning and 620.8MB in the end (delta: 392.2MB). Free memory was 172.2MB in the beginning and 208.3MB in the end (delta: -36.0MB). Peak memory consumption was 418.3MB. Max. memory is 16.1GB. * CodeCheck took 374076.54ms. Allocated memory was 620.8MB in the beginning and 3.4GB in the end (delta: 2.7GB). Free memory was 208.3MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 460.5MB. Max. memory is 16.1GB. * Witness Printer took 206.96ms. Allocated memory is still 3.4GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:50:32,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ddb93c-6708-4491-934c-34aed49ea53c/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