./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c4f398f3dd25e23888dcd464dc3e7bec605b7ae2926315db1bc9b1d50c18a1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:30:51,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:30:52,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:30:52,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:30:52,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:30:52,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:30:52,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:30:52,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:30:52,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:30:52,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:30:52,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:30:52,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:30:52,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:30:52,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:30:52,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:30:52,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:30:52,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:30:52,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:30:52,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:30:52,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:30:52,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:30:52,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:30:52,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:30:52,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:30:52,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:30:52,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:30:52,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:30:52,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:30:52,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:30:52,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:30:52,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:30:52,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:30:52,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:30:52,073 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_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c4f398f3dd25e23888dcd464dc3e7bec605b7ae2926315db1bc9b1d50c18a1 [2024-11-08 23:30:52,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:30:52,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:30:52,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:30:52,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:30:52,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:30:52,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c Unable to find full path for "g++" [2024-11-08 23:30:54,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:30:54,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:30:54,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2024-11-08 23:30:54,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/data/8d16e2d95/7b116ad275f6491590d9509bd306d5e0/FLAG34fecac43 [2024-11-08 23:30:55,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/data/8d16e2d95/7b116ad275f6491590d9509bd306d5e0 [2024-11-08 23:30:55,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:30:55,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:30:55,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:30:55,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:30:55,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:30:55,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:55,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d933dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55, skipping insertion in model container [2024-11-08 23:30:55,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:55,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:30:55,452 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/sv-benchmarks/c/eca-rers2012/Problem14_label26.c[6725,6738] [2024-11-08 23:30:55,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:30:55,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:30:55,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/sv-benchmarks/c/eca-rers2012/Problem14_label26.c[6725,6738] [2024-11-08 23:30:55,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:30:55,915 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:30:55,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55 WrapperNode [2024-11-08 23:30:55,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:30:55,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:30:55,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:30:55,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:30:55,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:55,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,071 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-08 23:30:56,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:30:56,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:30:56,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:30:56,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:30:56,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:30:56,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:30:56,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:30:56,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:30:56,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:55" (1/1) ... [2024-11-08 23:30:56,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:30:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:30:56,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:30:56,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:30:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:30:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:30:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:30:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:30:56,355 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:30:56,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:30:57,847 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 23:30:57,847 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:03,506 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:03,506 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:31:03,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:03 BoogieIcfgContainer [2024-11-08 23:31:03,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:03,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:03,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:03,519 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:03,519 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:03" (1/1) ... [2024-11-08 23:31:03,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:03,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:31:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:31:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:31:03,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:03,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:31:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:31:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:31:04,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 23:31:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 23:31:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:31:33,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:32:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2024-11-08 23:32:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2024-11-08 23:32:24,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:32:24,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:32:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2024-11-08 23:32:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2024-11-08 23:32:48,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:32:48,995 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 23:32:49,005 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:32:49,293 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= ~a21~0 8))) [2024-11-08 23:32:49,294 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:32:49,294 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2024-11-08 23:32:49,296 INFO L77 FloydHoareUtils]: At program point L208-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= ~a21~0 8))) [2024-11-08 23:32:49,297 INFO L77 FloydHoareUtils]: At program point L211-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= ~a21~0 8))) [2024-11-08 23:32:49,297 INFO L75 FloydHoareUtils]: For program point L212(line 212) no Hoare annotation was computed. [2024-11-08 23:32:49,297 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-08 23:32:49,297 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:32:49,298 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (< (+ ~a12~0 42) 0) (< 11 ~a12~0) (not (= ~a21~0 8))) [2024-11-08 23:32:49,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:32:49 ImpRootNode [2024-11-08 23:32:49,322 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:32:49,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:32:49,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:32:49,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:32:49,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:03" (3/4) ... [2024-11-08 23:32:49,328 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:32:49,362 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-08 23:32:49,365 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 23:32:49,367 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:32:49,369 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:32:49,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:32:49,604 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:32:49,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:32:49,605 INFO L158 Benchmark]: Toolchain (without parser) took 114503.36ms. Allocated memory was 151.0MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 107.3MB in the beginning and 1.0GB in the end (delta: -926.3MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 23:32:49,606 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:49,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.26ms. Allocated memory is still 151.0MB. Free memory was 107.0MB in the beginning and 117.6MB in the end (delta: -10.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-08 23:32:49,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.91ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 117.5MB in the beginning and 155.8MB in the end (delta: -38.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:49,607 INFO L158 Benchmark]: Boogie Preprocessor took 119.88ms. Allocated memory is still 195.0MB. Free memory was 155.8MB in the beginning and 149.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:32:49,607 INFO L158 Benchmark]: RCFGBuilder took 7311.24ms. Allocated memory was 195.0MB in the beginning and 713.0MB in the end (delta: 518.0MB). Free memory was 148.5MB in the beginning and 460.4MB in the end (delta: -311.9MB). Peak memory consumption was 240.7MB. Max. memory is 16.1GB. [2024-11-08 23:32:49,608 INFO L158 Benchmark]: CodeCheck took 105813.92ms. Allocated memory was 713.0MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 460.4MB in the beginning and 1.1GB in the end (delta: -590.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-08 23:32:49,608 INFO L158 Benchmark]: Witness Printer took 280.36ms. Allocated memory is still 2.6GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:32:49,610 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: 105.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 42 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 315 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 102.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 10/23 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 212]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a24 != 1) || (a15 != 6)) || (((long long) a12 + 42) < 0)) || (11 < a12)) || (a21 != 8)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a24 != 1) || (a15 != 6)) || (((long long) a12 + 42) < 0)) || (11 < a12)) || (a21 != 8)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.26ms. Allocated memory is still 151.0MB. Free memory was 107.0MB in the beginning and 117.6MB in the end (delta: -10.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.91ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 117.5MB in the beginning and 155.8MB in the end (delta: -38.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.88ms. Allocated memory is still 195.0MB. Free memory was 155.8MB in the beginning and 149.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7311.24ms. Allocated memory was 195.0MB in the beginning and 713.0MB in the end (delta: 518.0MB). Free memory was 148.5MB in the beginning and 460.4MB in the end (delta: -311.9MB). Peak memory consumption was 240.7MB. Max. memory is 16.1GB. * CodeCheck took 105813.92ms. Allocated memory was 713.0MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 460.4MB in the beginning and 1.1GB in the end (delta: -590.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 280.36ms. Allocated memory is still 2.6GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:32:49,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14dfc6f5-51b4-45ea-af41-383ab8aa7915/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE