./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/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_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/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_ee4c540b-6258-40ab-a224-4682ab143605/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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:46,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:47,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:47,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:47,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:47,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:47,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:47,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:47,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:47,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:47,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:47,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:47,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:47,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:47,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:47,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:47,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:47,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:47,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:47,096 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:47,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:47,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:47,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:47,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:47,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:47,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:47,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:47,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:47,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:47,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:47,104 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:47,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:47,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:47,105 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_ee4c540b-6258-40ab-a224-4682ab143605/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2023-11-24 23:09:47,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:47,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:47,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:47,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:47,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:47,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2023-11-24 23:09:50,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:50,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:50,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2023-11-24 23:09:51,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/data/8aaa5540c/c805a50124a44921b61dc6caaf322c6e/FLAG5c8c5c587 [2023-11-24 23:09:51,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/data/8aaa5540c/c805a50124a44921b61dc6caaf322c6e [2023-11-24 23:09:51,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:51,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:51,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:51,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:51,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:51,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:51" (1/1) ... [2023-11-24 23:09:51,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd370e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:51, skipping insertion in model container [2023-11-24 23:09:51,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:51" (1/1) ... [2023-11-24 23:09:51,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:51,808 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2023-11-24 23:09:51,837 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2023-11-24 23:09:52,029 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2023-11-24 23:09:52,030 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2023-11-24 23:09:52,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:52,071 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:52,109 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2023-11-24 23:09:52,111 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2023-11-24 23:09:52,199 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2023-11-24 23:09:52,200 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_ee4c540b-6258-40ab-a224-4682ab143605/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2023-11-24 23:09:52,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:52,296 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:52,305 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:52,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52 WrapperNode [2023-11-24 23:09:52,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:52,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:52,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:52,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:52,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,439 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-11-24 23:09:52,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:52,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:52,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:52,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:52,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:52,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:52,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:52,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:52,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:52" (1/1) ... [2023-11-24 23:09:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:52,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:52,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:52,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee4c540b-6258-40ab-a224-4682ab143605/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:09:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:09:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-24 23:09:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-24 23:09:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:09:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-24 23:09:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-24 23:09:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:09:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-24 23:09:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-24 23:09:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:52,954 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:52,957 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:54,491 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:56,006 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:56,006 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 23:09:56,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:56 BoogieIcfgContainer [2023-11-24 23:09:56,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:56,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:56,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:56,021 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:56,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:56" (1/1) ... [2023-11-24 23:09:56,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-11-24 23:09:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-11-24 23:09:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:56,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,317 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 23:09:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-11-24 23:09:56,341 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-11-24 23:09:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:56,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,633 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 23:09:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 152 states and 242 transitions. [2023-11-24 23:09:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-11-24 23:09:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:09:56,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:56,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:56,889 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 23:09:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-11-24 23:09:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-11-24 23:09:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:09:56,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:57,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:57,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:57,079 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 23:09:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-11-24 23:09:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-11-24 23:09:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:57,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:57,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:57,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:57,293 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 23:10:07,322 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 23:10:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2023-11-24 23:10:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2023-11-24 23:10:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:10:07,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:08,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:10:08,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:08,762 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 23:10:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-11-24 23:10:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-11-24 23:10:08,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:10:08,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:08,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,208 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 23:10:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2023-11-24 23:10:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2023-11-24 23:10:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:10:09,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,804 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 23:10:20,294 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 23:10:30,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:40,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:50,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 170 states and 246 transitions. [2023-11-24 23:10:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 246 transitions. [2023-11-24 23:10:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:10:50,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:50,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:10:50,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.