./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.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_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/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_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/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_23046cab-e123-4271-9ebe-c8f3f10b24f6/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 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:04:18,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:04:18,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:04:18,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:04:18,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:04:18,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:04:18,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:04:18,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:04:18,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:04:18,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:04:18,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:04:18,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:04:18,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:04:18,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:04:18,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:04:18,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:04:18,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:04:18,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:04:18,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:04:18,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:04:18,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:04:18,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:04:18,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:04:18,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:04:18,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:04:18,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:04:18,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:04:18,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:04:18,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:04:18,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:04:18,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:04:18,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:04:18,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:04:18,989 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_23046cab-e123-4271-9ebe-c8f3f10b24f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 [2024-11-08 23:04:19,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:04:19,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:04:19,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:04:19,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:04:19,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:04:19,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c Unable to find full path for "g++" [2024-11-08 23:04:21,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:04:21,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:04:21,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2024-11-08 23:04:21,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/data/8894df814/07232764a3e84602982bea82baa55f00/FLAG77f1dac08 [2024-11-08 23:04:22,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/data/8894df814/07232764a3e84602982bea82baa55f00 [2024-11-08 23:04:22,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:04:22,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:04:22,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:22,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:04:22,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:04:22,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635d3901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22, skipping insertion in model container [2024-11-08 23:04:22,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:04:22,472 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_23046cab-e123-4271-9ebe-c8f3f10b24f6/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2024-11-08 23:04:22,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:22,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:04:22,720 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_23046cab-e123-4271-9ebe-c8f3f10b24f6/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2024-11-08 23:04:22,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:04:22,820 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:04:22,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22 WrapperNode [2024-11-08 23:04:22,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:04:22,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:22,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:04:22,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:04:22,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,926 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 23:04:22,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:04:22,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:04:22,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:04:22,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:04:22,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:22,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:23,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:23,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:04:23,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:04:23,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:04:23,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:04:23,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:04:22" (1/1) ... [2024-11-08 23:04:23,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:04:23,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:04:23,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:04:23,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:04:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:04:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:04:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:04:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:04:23,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:04:23,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:04:24,648 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 23:04:24,649 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:04:28,054 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:04:28,054 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:04:28,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:28 BoogieIcfgContainer [2024-11-08 23:04:28,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:04:28,056 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:04:28,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:04:28,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:04:28,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:28" (1/1) ... [2024-11-08 23:04:28,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:04:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:04:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:04:28,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:28,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:28,481 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 23:04:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:04:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:04:28,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:04:28,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:45,770 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 23:04:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 23:04:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 23:04:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:04:46,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:05:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-11-08 23:05:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-11-08 23:05:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:05:03,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:03,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:28,100 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 23:05:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-08 23:05:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-08 23:05:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:05:28,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:28,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:05:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2024-11-08 23:05:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2024-11-08 23:05:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:05:44,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:44,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:06:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-08 23:06:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-08 23:06:02,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:06:02,672 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 23:06:02,683 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:06:03,204 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-08 23:06:03,204 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 23:06:03,205 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:06:03,205 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:06:03,205 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-08 23:06:03,206 INFO L77 FloydHoareUtils]: At program point L163-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-08 23:06:03,206 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2024-11-08 23:06:03,206 INFO L77 FloydHoareUtils]: At program point L166-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a10~0 4)) (not (= 7 ~a19~0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0)) [2024-11-08 23:06:03,206 INFO L75 FloydHoareUtils]: For program point L167(line 167) no Hoare annotation was computed. [2024-11-08 23:06:03,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:03 ImpRootNode [2024-11-08 23:06:03,232 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:03,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:03,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:03,233 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:03,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:28" (3/4) ... [2024-11-08 23:06:03,238 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:06:03,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-08 23:06:03,278 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 23:06:03,279 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:06:03,281 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:06:03,516 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:06:03,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:06:03,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:03,518 INFO L158 Benchmark]: Toolchain (without parser) took 101423.48ms. Allocated memory was 153.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 117.6MB in the beginning and 1.0GB in the end (delta: -929.1MB). Peak memory consumption was 797.8MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,519 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 153.1MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:03,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.43ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 87.5MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.49ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 79.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,521 INFO L158 Benchmark]: Boogie Preprocessor took 84.79ms. Allocated memory is still 153.1MB. Free memory was 79.2MB in the beginning and 73.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,521 INFO L158 Benchmark]: RCFGBuilder took 5041.78ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 73.9MB in the beginning and 103.9MB in the end (delta: -30.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,523 INFO L158 Benchmark]: CodeCheck took 95176.21ms. Allocated memory was 268.4MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 103.9MB in the beginning and 1.1GB in the end (delta: -956.5MB). Peak memory consumption was 655.2MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,524 INFO L158 Benchmark]: Witness Printer took 284.87ms. Allocated memory is still 1.9GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:06:03,525 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: 94.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 80 mSDtfsCounter, 442 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 695 GetRequests, 581 SyntacticMatches, 34 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2899 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 89.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 28/65 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: 167]: 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: (((14 == a4) && (((a10 != 4) || (7 != a19)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (((a10 != 4) || (7 != a19)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 153.1MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.43ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 87.5MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.49ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 79.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.79ms. Allocated memory is still 153.1MB. Free memory was 79.2MB in the beginning and 73.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5041.78ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 73.9MB in the beginning and 103.9MB in the end (delta: -30.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * CodeCheck took 95176.21ms. Allocated memory was 268.4MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 103.9MB in the beginning and 1.1GB in the end (delta: -956.5MB). Peak memory consumption was 655.2MB. Max. memory is 16.1GB. * Witness Printer took 284.87ms. Allocated memory is still 1.9GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:06:03,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23046cab-e123-4271-9ebe-c8f3f10b24f6/bin/ukojak-verify-ImItNfHLgk/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