./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.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_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/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_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/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_489eabe5-fe54-4d33-a489-3978cea10362/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:04,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:04,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:04,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:04,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:04,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:04,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:04,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:04,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:04,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:04,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:04,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:04,276 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:04,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:04,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:04,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:04,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:04,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:04,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:04,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:04,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:04,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:04,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:04,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:04,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:04,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:04,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:04,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:04,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:04,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:04,300 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:04,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:04,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:04,301 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_489eabe5-fe54-4d33-a489-3978cea10362/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-11-24 22:10:04,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:04,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:04,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:04,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:04,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:04,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-24 22:10:08,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:08,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:08,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-24 22:10:08,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/data/352ce01f4/bd40155f98e64b688dc7a8949a887ad8/FLAGeeb01482e [2023-11-24 22:10:08,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/data/352ce01f4/bd40155f98e64b688dc7a8949a887ad8 [2023-11-24 22:10:08,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:08,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:08,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:08,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:08,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:08,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd07d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08, skipping insertion in model container [2023-11-24 22:10:08,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:08,938 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_489eabe5-fe54-4d33-a489-3978cea10362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-11-24 22:10:09,070 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_489eabe5-fe54-4d33-a489-3978cea10362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-11-24 22:10:09,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:09,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:09,125 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_489eabe5-fe54-4d33-a489-3978cea10362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2023-11-24 22:10:09,217 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_489eabe5-fe54-4d33-a489-3978cea10362/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2023-11-24 22:10:09,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:09,257 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:09,269 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:09,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09 WrapperNode [2023-11-24 22:10:09,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:09,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:09,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:09,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:09,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,460 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-11-24 22:10:09,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:09,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:09,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:09,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:09,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:09,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:09,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:09,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:09,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:09" (1/1) ... [2023-11-24 22:10:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:09,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:09,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:09,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489eabe5-fe54-4d33-a489-3978cea10362/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:10:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:10:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:10:09,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:10:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-24 22:10:09,766 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-24 22:10:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:10:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:10:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:10:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:10:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:09,995 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:10,001 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:13,201 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:14,779 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:14,780 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-24 22:10:14,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:14 BoogieIcfgContainer [2023-11-24 22:10:14,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:14,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:14,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:14,794 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:14,794 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:14" (1/1) ... [2023-11-24 22:10:14,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 267 transitions. [2023-11-24 22:10:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 267 transitions. [2023-11-24 22:10:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:10:14,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:14,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:15,060 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 22:10:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2023-11-24 22:10:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2023-11-24 22:10:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:10:15,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:15,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:15,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:15,204 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 22:10:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:15,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 156 states and 259 transitions. [2023-11-24 22:10:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 259 transitions. [2023-11-24 22:10:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:10:15,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:15,494 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 22:10:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 158 states and 258 transitions. [2023-11-24 22:10:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 258 transitions. [2023-11-24 22:10:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:10:15,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:15,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:15,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:15,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:15,675 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 22:10:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 158 states and 254 transitions. [2023-11-24 22:10:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 254 transitions. [2023-11-24 22:10:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:10:15,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:15,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:15,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:15,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:15,850 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 22:10:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2023-11-24 22:10:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2023-11-24 22:10:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:10:15,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:16,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:16,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:16,138 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 22:10:26,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:10:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 158 states and 242 transitions. [2023-11-24 22:10:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 242 transitions. [2023-11-24 22:10:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:10:26,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:26,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:26,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:10:26,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:36,931 WARN L539 Checker$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 22:10:46,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:10:57,006 WARN L539 Checker$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 22:11:07,034 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 22:11:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 171 states and 257 transitions. [2023-11-24 22:11:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 257 transitions. [2023-11-24 22:11:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:11:07,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,390 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 22:11:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2023-11-24 22:11:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2023-11-24 22:11:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:11:07,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,651 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 22:11:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 171 states and 253 transitions. [2023-11-24 22:11:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2023-11-24 22:11:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:11:07,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:07,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.