./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/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_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/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_64e84508-1017-43cb-9000-e7e2a2f65b57/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 550f3a62df7d5eada5d2aa8dd32299382207e40f85198cb35440276faa9cf7d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:01:37,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:01:37,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 01:01:37,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:01:37,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:01:37,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:01:37,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:01:37,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:01:37,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:01:37,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:01:37,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:01:37,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:01:37,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:01:37,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:01:37,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:01:37,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:01:37,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:01:37,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:01:37,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:01:37,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:01:37,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:01:37,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:01:37,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:01:37,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:01:37,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:01:37,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:01:37,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:01:37,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:37,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:01:37,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:01:37,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:01:37,205 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:01:37,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:01:37,205 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_64e84508-1017-43cb-9000-e7e2a2f65b57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 550f3a62df7d5eada5d2aa8dd32299382207e40f85198cb35440276faa9cf7d3 [2024-11-09 01:01:37,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:01:37,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:01:37,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:01:37,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:01:37,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:01:37,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c Unable to find full path for "g++" [2024-11-09 01:01:39,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:01:39,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:01:39,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2024-11-09 01:01:39,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/data/d5abfcc8a/f2a36e5b07db4979be32194823fbf8ec/FLAGa5b5e17aa [2024-11-09 01:01:39,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/data/d5abfcc8a/f2a36e5b07db4979be32194823fbf8ec [2024-11-09 01:01:39,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:01:39,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:01:39,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:39,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:01:40,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:01:40,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:39" (1/1) ... [2024-11-09 01:01:40,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c19866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40, skipping insertion in model container [2024-11-09 01:01:40,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:39" (1/1) ... [2024-11-09 01:01:40,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:01:40,317 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_64e84508-1017-43cb-9000-e7e2a2f65b57/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2024-11-09 01:01:40,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:40,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:01:40,537 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_64e84508-1017-43cb-9000-e7e2a2f65b57/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2024-11-09 01:01:40,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:40,624 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:01:40,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40 WrapperNode [2024-11-09 01:01:40,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:40,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:40,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:01:40,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:01:40,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,712 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-09 01:01:40,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:40,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:01:40,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:01:40,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:01:40,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:01:40,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:01:40,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:01:40,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:01:40,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:40" (1/1) ... [2024-11-09 01:01:40,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:01:40,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:01:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:01:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:01:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:01:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:01:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:01:40,947 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:01:40,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:01:42,181 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-09 01:01:42,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:01:45,243 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:01:45,243 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:01:45,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:45 BoogieIcfgContainer [2024-11-09 01:01:45,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:01:45,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:01:45,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:01:45,255 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:01:45,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:45" (1/1) ... [2024-11-09 01:01:45,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 01:01:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 01:01:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 01:01:45,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:45,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 01:01:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 01:01:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 01:01:45,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-09 01:02:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-09 01:02:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:01,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:01,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-11-09 01:02:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-11-09 01:02:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:24,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:24,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2024-11-09 01:02:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-11-09 01:02:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 01:02:41,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:41,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 01:02:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2024-11-09 01:02:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2024-11-09 01:02:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 01:02:54,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 01:03:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2024-11-09 01:03:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-09 01:03:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 01:03:06,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:03:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 01:03:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2024-11-09 01:03:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2024-11-09 01:03:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 01:03:18,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:03:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:03:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-11-09 01:03:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-11-09 01:03:36,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:03:36,710 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-09 01:03:36,719 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 01:03:37,281 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-09 01:03:37,281 INFO L77 FloydHoareUtils]: At program point L202-1(lines 30 584) the Hoare annotation is: (not (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (and (not (and (= 23 ~a1~0) .cse0 .cse1)) (not (and (or (not (= 7 ~a19~0)) (not (= ~a10~0 3))) .cse0 .cse1))))) [2024-11-09 01:03:37,281 INFO L75 FloydHoareUtils]: For program point L203(line 203) no Hoare annotation was computed. [2024-11-09 01:03:37,282 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-09 01:03:37,282 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 01:03:37,282 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 01:03:37,282 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (< ~a1~0 219) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-09 01:03:37,282 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2024-11-09 01:03:37,283 INFO L77 FloydHoareUtils]: At program point L199-1(lines 30 584) the Hoare annotation is: (and (or (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-09 01:03:37,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:03:37 ImpRootNode [2024-11-09 01:03:37,298 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:03:37,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:03:37,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:03:37,300 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:03:37,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:45" (3/4) ... [2024-11-09 01:03:37,303 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:03:37,319 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-09 01:03:37,320 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 01:03:37,321 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:03:37,322 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:03:37,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 01:03:37,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 01:03:37,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:03:37,485 INFO L158 Benchmark]: Toolchain (without parser) took 117488.86ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 142.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 512.1MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,485 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 178.3MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:37,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.33ms. Allocated memory is still 178.3MB. Free memory was 142.0MB in the beginning and 112.5MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.48ms. Allocated memory is still 178.3MB. Free memory was 112.5MB in the beginning and 104.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,487 INFO L158 Benchmark]: Boogie Preprocessor took 72.85ms. Allocated memory is still 178.3MB. Free memory was 104.2MB in the beginning and 99.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,487 INFO L158 Benchmark]: RCFGBuilder took 4456.63ms. Allocated memory was 178.3MB in the beginning and 318.8MB in the end (delta: 140.5MB). Free memory was 99.0MB in the beginning and 140.9MB in the end (delta: -41.9MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,487 INFO L158 Benchmark]: CodeCheck took 112053.34ms. Allocated memory was 318.8MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 140.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 357.3MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,488 INFO L158 Benchmark]: Witness Printer took 185.34ms. Allocated memory is still 1.9GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:03:37,490 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: 111.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 385 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 392 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 998 IncrementalHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 152 mSDtfsCounter, 998 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 968 SyntacticMatches, 45 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5446 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 104.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 66/122 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: 203]: 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: (((((a1 < 219) || (7 != a19)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: !(!(((23 == a1) && (14 == a4)) && (a12 == 0)) && !((((7 != a19) || (a10 != 3)) && (14 == a4)) && (a12 == 0))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 178.3MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.33ms. Allocated memory is still 178.3MB. Free memory was 142.0MB in the beginning and 112.5MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.48ms. Allocated memory is still 178.3MB. Free memory was 112.5MB in the beginning and 104.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.85ms. Allocated memory is still 178.3MB. Free memory was 104.2MB in the beginning and 99.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4456.63ms. Allocated memory was 178.3MB in the beginning and 318.8MB in the end (delta: 140.5MB). Free memory was 99.0MB in the beginning and 140.9MB in the end (delta: -41.9MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. * CodeCheck took 112053.34ms. Allocated memory was 318.8MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 140.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 357.3MB. Max. memory is 16.1GB. * Witness Printer took 185.34ms. Allocated memory is still 1.9GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 01:03:37,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e84508-1017-43cb-9000-e7e2a2f65b57/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