./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 0e0057cc 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_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/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_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:53:27,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:27,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:27,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:27,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:27,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:27,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:27,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:27,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:27,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:27,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:27,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:27,878 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:27,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:27,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:27,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:27,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:27,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:27,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:27,892 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:27,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:27,894 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:27,895 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:27,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:27,897 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:27,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:27,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:27,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:27,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:27,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:27,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:27,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:27,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:27,901 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_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-11-24 22:53:28,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:28,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:28,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:28,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:28,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:28,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-24 22:53:31,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:31,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:31,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-24 22:53:31,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/data/6373582e5/e8f1685869114c59a497d23512aa7d89/FLAG5f5beef8c [2023-11-24 22:53:32,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/data/6373582e5/e8f1685869114c59a497d23512aa7d89 [2023-11-24 22:53:32,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:32,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:32,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:32,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:32,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:32,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:32" (1/1) ... [2023-11-24 22:53:32,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5403abe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:32, skipping insertion in model container [2023-11-24 22:53:32,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:32" (1/1) ... [2023-11-24 22:53:32,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:32,853 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-11-24 22:53:32,871 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-11-24 22:53:33,019 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-11-24 22:53:33,020 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-11-24 22:53:33,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:33,044 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:33,086 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44118,44131] [2023-11-24 22:53:33,089 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[44660,44673] [2023-11-24 22:53:33,194 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56247,56260] [2023-11-24 22:53:33,195 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_ad6cf90d-1174-4df7-b79a-803307df603b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i[56368,56381] [2023-11-24 22:53:33,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:33,274 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:33,282 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:33,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33 WrapperNode [2023-11-24 22:53:33,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:33,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:33,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:33,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:33,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,469 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-24 22:53:33,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:33,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:33,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:33,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:33,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:33,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:33,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:33,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:33,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:33,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:33,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:33,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad6cf90d-1174-4df7-b79a-803307df603b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:53:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:53:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:53:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-24 22:53:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-24 22:53:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:33,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-24 22:53:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-24 22:53:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:53:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-24 22:53:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-24 22:53:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:33,973 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:33,976 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:35,591 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:37,087 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:37,087 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:53:37,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:37 BoogieIcfgContainer [2023-11-24 22:53:37,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:37,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:37,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:37,101 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:37,101 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:37" (1/1) ... [2023-11-24 22:53:37,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-11-24 22:53:37,174 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-11-24 22:53:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:37,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-11-24 22:53:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-11-24 22:53:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:53:37,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 152 states and 242 transitions. [2023-11-24 22:53:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-24 22:53:37,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:37,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:37,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-11-24 22:53:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-11-24 22:53:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:37,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-11-24 22:53:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-11-24 22:53:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:38,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:48,310 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 [] [2023-11-24 22:53:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2023-11-24 22:53:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2023-11-24 22:53:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:53:48,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-11-24 22:53:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-11-24 22:53:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:53:49,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2023-11-24 22:53:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2023-11-24 22:53:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:49,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:00,431 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 [] [2023-11-24 22:54:10,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:20,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:30,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:30,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 170 states and 246 transitions. [2023-11-24 22:54:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 246 transitions. [2023-11-24 22:54:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:54:30,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:54:30,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.