./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL --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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:55,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:55,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:03:55,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:55,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:55,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:55,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:55,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:55,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:55,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:55,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:55,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:55,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:55,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:55,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:55,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:55,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:55,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:55,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:55,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:55,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:55,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:55,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:55,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:55,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:55,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:55,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:55,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:55,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:55,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:55,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:55,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:55,659 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:55,660 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_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2023-11-19 04:03:56,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:56,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:56,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:56,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:56,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:56,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-19 04:03:59,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:59,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:59,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-19 04:03:59,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/data/b8477ecff/0992932dd1fd4579ba82303af55b16ea/FLAGa64c0d412 [2023-11-19 04:03:59,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/data/b8477ecff/0992932dd1fd4579ba82303af55b16ea [2023-11-19 04:03:59,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:59,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:59,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:59,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:59,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:59,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:59" (1/1) ... [2023-11-19 04:03:59,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7d2f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:59, skipping insertion in model container [2023-11-19 04:03:59,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:59" (1/1) ... [2023-11-19 04:04:00,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:00,556 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2023-11-19 04:04:00,735 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2023-11-19 04:04:00,737 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2023-11-19 04:04:00,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:00,784 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:00,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2023-11-19 04:04:00,914 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2023-11-19 04:04:00,915 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2023-11-19 04:04:00,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:00,976 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:00,985 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:00,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00 WrapperNode [2023-11-19 04:04:00,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:00,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:00,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:00,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:00,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,230 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-11-19 04:04:01,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:01,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:01,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:01,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:01,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:01,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:01,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:01,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:01,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:00" (1/1) ... [2023-11-19 04:04:01,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:01,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:01,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:01,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71c3e6e-afa6-4852-87e8-b6f50b33b6e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:04:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:04:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:04:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:04:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:04:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:04:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:01,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:01,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:03,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:05,665 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:05,665 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 04:04:05,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:05 BoogieIcfgContainer [2023-11-19 04:04:05,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:05,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:05,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:05,686 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:05,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:05" (1/1) ... [2023-11-19 04:04:05,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-19 04:04:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-19 04:04:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:04:05,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:05,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-11-19 04:04:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-11-19 04:04:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:04:06,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2023-11-19 04:04:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2023-11-19 04:04:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:04:06,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:06,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:06,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2023-11-19 04:04:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2023-11-19 04:04:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:04:06,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:06,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:06,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:06,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 118 states and 191 transitions. [2023-11-19 04:04:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 191 transitions. [2023-11-19 04:04:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:04:06,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:06,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:06,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:06,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 118 states and 185 transitions. [2023-11-19 04:04:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2023-11-19 04:04:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:04:06,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:07,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:07,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:17,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:17,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 118 states and 177 transitions. [2023-11-19 04:04:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2023-11-19 04:04:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:04:17,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:17,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:17,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:04:17,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:21,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 131 states and 192 transitions. [2023-11-19 04:04:21,584 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2023-11-19 04:04:21,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:04:21,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:21,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 190 transitions. [2023-11-19 04:04:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2023-11-19 04:04:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:04:21,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:22,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:22,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:25,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 188 transitions. [2023-11-19 04:04:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2023-11-19 04:04:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:04:25,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:25,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:04:25,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:04:35,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:45,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:55,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:05:01,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:05:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 134 states and 190 transitions. [2023-11-19 04:05:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2023-11-19 04:05:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:05:01,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:02,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:02,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:02,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 04:05:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:05:02,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 136 states and 194 transitions. [2023-11-19 04:05:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 194 transitions. [2023-11-19 04:05:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:05:02,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:02,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:02,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:05:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-11-19 04:05:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-11-19 04:05:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:05:02,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:03,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:05:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-11-19 04:05:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-11-19 04:05:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:05:03,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:03,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:05:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-11-19 04:05:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-11-19 04:05:03,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:05:03,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms