./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/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 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:58,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:58,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:33:58,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:58,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:58,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:58,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:33:58,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:33:58,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:58,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:58,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:58,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:33:58,293 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:58,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:58,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:58,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:58,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:33:58,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:58,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:33:58,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:58,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:33:58,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:58,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:58,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:58,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:58,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:58,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:58,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:58,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:58,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:33:58,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:58,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:58,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:33:58,331 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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2023-11-19 02:33:58,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:58,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:58,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:58,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:58,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:58,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2023-11-19 02:34:01,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:02,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:02,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2023-11-19 02:34:02,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/data/974c58e63/81e98298a3504a2699143b07b74357bf/FLAGf41d920ff [2023-11-19 02:34:02,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/data/974c58e63/81e98298a3504a2699143b07b74357bf [2023-11-19 02:34:02,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:02,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:02,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:02,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:02,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:02,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:02" (1/1) ... [2023-11-19 02:34:02,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d325b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:02, skipping insertion in model container [2023-11-19 02:34:02,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:02" (1/1) ... [2023-11-19 02:34:02,293 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:02,832 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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2023-11-19 02:34:03,139 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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2023-11-19 02:34:03,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:03,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:03,197 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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2023-11-19 02:34:03,374 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_e9b4f680-7117-4995-a0d4-ffa7150d6c16/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2023-11-19 02:34:03,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:03,448 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:34:03,456 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:03,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03 WrapperNode [2023-11-19 02:34:03,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:03,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:03,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:03,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:03,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,662 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3352 [2023-11-19 02:34:03,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:03,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:03,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:03,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:03,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:03,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:03,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:03,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:03,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:03" (1/1) ... [2023-11-19 02:34:03,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:03,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:03,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b4f680-7117-4995-a0d4-ffa7150d6c16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:34:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:34:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:34:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:34:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:34:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:34:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:34:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:34:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:34:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:34:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:34:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:34:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:34:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:34:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:04,312 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:04,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:07,317 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:09,448 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:09,449 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:34:09,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:09 BoogieIcfgContainer [2023-11-19 02:34:09,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:09,461 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:09,462 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:09,472 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:09,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:09" (1/1) ... [2023-11-19 02:34:09,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:34:09,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1121 states and 2202 transitions. [2023-11-19 02:34:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2202 transitions. [2023-11-19 02:34:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:34:09,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:09,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:09,838 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 02:34:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1121 states and 2197 transitions. [2023-11-19 02:34:09,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2197 transitions. [2023-11-19 02:34:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:34:09,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:10,059 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 02:34:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1123 states and 2196 transitions. [2023-11-19 02:34:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2196 transitions. [2023-11-19 02:34:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:34:10,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:10,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:10,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:10,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1123 states and 2192 transitions. [2023-11-19 02:34:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2192 transitions. [2023-11-19 02:34:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:34:10,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:10,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:10,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:10,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:11,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:34:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1123 states and 2186 transitions. [2023-11-19 02:34:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2186 transitions. [2023-11-19 02:34:11,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:34:11,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:11,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:11,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:11,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1123 states and 2180 transitions. [2023-11-19 02:34:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2180 transitions. [2023-11-19 02:34:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:34:11,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:12,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:12,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:19,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:34:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1123 states and 2172 transitions. [2023-11-19 02:34:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2172 transitions. [2023-11-19 02:34:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:34:19,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:19,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:19,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:34:19,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1136 states and 2187 transitions. [2023-11-19 02:34:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2187 transitions. [2023-11-19 02:34:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:34:20,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:21,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:21,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:21,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1136 states and 2185 transitions. [2023-11-19 02:34:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2185 transitions. [2023-11-19 02:34:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:34:21,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:21,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:21,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:25,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:34:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1136 states and 2183 transitions. [2023-11-19 02:34:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2183 transitions. [2023-11-19 02:34:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:34:25,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:26,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:34:26,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:34:36,289 WARN L539 Checker$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 02:34:46,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:34:50,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:34:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1139 states and 2185 transitions. [2023-11-19 02:34:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2185 transitions. [2023-11-19 02:34:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:34:50,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:50,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:50,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:34:50,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:35:00,977 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 []