./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.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_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/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_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/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_f589d620-3a69-4dfa-a777-717fff8ff68a/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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:19,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:19,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:19,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:19,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:19,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:19,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:19,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:19,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:19,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:19,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:19,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:19,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:19,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:19,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:19,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:19,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:19,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:19,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:19,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:19,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:19,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:19,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:19,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:19,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:19,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:19,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:19,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:19,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:19,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:19,516 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:19,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:19,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:19,517 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_f589d620-3a69-4dfa-a777-717fff8ff68a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-11-19 03:28:19,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:19,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:19,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:19,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:19,933 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:19,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-19 03:28:23,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:23,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:23,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-19 03:28:23,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/data/9d211dd01/d47bfa3af40c4d85ab58918f5662e50e/FLAG20561aead [2023-11-19 03:28:23,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/data/9d211dd01/d47bfa3af40c4d85ab58918f5662e50e [2023-11-19 03:28:23,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:23,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:23,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:23,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:23,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:23,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:23" (1/1) ... [2023-11-19 03:28:23,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef701e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:23, skipping insertion in model container [2023-11-19 03:28:23,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:23" (1/1) ... [2023-11-19 03:28:23,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:24,187 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-11-19 03:28:24,202 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-11-19 03:28:24,386 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-11-19 03:28:24,387 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-11-19 03:28:24,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:24,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:24,442 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-11-19 03:28:24,444 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-11-19 03:28:24,497 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-11-19 03:28:24,498 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_f589d620-3a69-4dfa-a777-717fff8ff68a/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-11-19 03:28:24,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:24,568 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:28:24,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:24,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24 WrapperNode [2023-11-19 03:28:24,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:24,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:24,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:24,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:24,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,714 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-19 03:28:24,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:24,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:24,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:24,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:24,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:24,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:24,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:24,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:24,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:24" (1/1) ... [2023-11-19 03:28:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:24,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:24,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:24,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f589d620-3a69-4dfa-a777-717fff8ff68a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-19 03:28:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-19 03:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-19 03:28:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-19 03:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-19 03:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-19 03:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:25,218 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:25,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:26,699 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:28,285 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:28,286 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:28:28,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:28 BoogieIcfgContainer [2023-11-19 03:28:28,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:28,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:28,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:28,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:28,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:28" (1/1) ... [2023-11-19 03:28:28,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-11-19 03:28:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-11-19 03:28:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:28,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:28,771 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 03:28:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-11-19 03:28:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-11-19 03:28:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:28:28,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,002 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 03:28:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 152 states and 242 transitions. [2023-11-19 03:28:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-19 03:28:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:29,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:28:29,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:29,258 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 03:28:29,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-11-19 03:28:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-11-19 03:28:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:28:29,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:28:29,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:29,456 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 03:28:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-11-19 03:28:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-11-19 03:28:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:28:29,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:28:29,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:29,636 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 03:28:32,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:28:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2023-11-19 03:28:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2023-11-19 03:28:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:28:32,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:32,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:32,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:28:32,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:32,994 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 03:28:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-11-19 03:28:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-11-19 03:28:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:28:33,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:33,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:33,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:28:33,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:33,354 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 03:28:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2023-11-19 03:28:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2023-11-19 03:28:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:28:33,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:33,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:33,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:28:33,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:33,772 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 03:28:44,044 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 03:28:45,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:28:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 170 states and 246 transitions. [2023-11-19 03:28:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 246 transitions. [2023-11-19 03:28:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:28:45,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:45,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:45,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:28:45,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:56,275 WARN L539 Checker$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 03:28:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2023-11-19 03:28:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2023-11-19 03:28:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:58,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:58,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:28:58,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:08,341 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 03:29:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 196 states and 291 transitions. [2023-11-19 03:29:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 291 transitions. [2023-11-19 03:29:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:29:08,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:08,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:08,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:08,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 199 states and 293 transitions. [2023-11-19 03:29:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 293 transitions. [2023-11-19 03:29:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:29:09,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:09,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:09,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:29:09,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 205 states and 305 transitions. [2023-11-19 03:29:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2023-11-19 03:29:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:29:10,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:29:10,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:29:10,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 203 states and 300 transitions. [2023-11-19 03:29:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 300 transitions. [2023-11-19 03:29:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:29:10,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:29:10,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:20,991 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 []