./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.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_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/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_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/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_4882012c-aa3b-41ef-af1c-db3c91c75c02/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 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:45,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:45,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:48:45,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:45,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:45,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:45,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:45,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:45,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:45,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:45,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:45,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:45,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:45,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:45,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:45,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:45,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:45,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:45,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:45,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:45,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:45,792 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:45,793 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:45,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:45,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:45,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:45,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:45,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:45,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:45,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:45,797 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:45,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:45,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:45,798 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_4882012c-aa3b-41ef-af1c-db3c91c75c02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 [2023-11-19 02:48:46,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:46,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:46,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:46,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:46,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:46,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2023-11-19 02:48:49,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:49,716 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:49,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2023-11-19 02:48:49,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/data/cc6a61af8/a0022af4147d40f58dd4af127610dc4e/FLAGe7a88a276 [2023-11-19 02:48:49,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/data/cc6a61af8/a0022af4147d40f58dd4af127610dc4e [2023-11-19 02:48:49,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:49,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:49,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:49,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:49,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:49,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:49,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de17d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:49, skipping insertion in model container [2023-11-19 02:48:49,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:49" (1/1) ... [2023-11-19 02:48:49,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:50,458 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_4882012c-aa3b-41ef-af1c-db3c91c75c02/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2023-11-19 02:48:50,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:50,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:50,783 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_4882012c-aa3b-41ef-af1c-db3c91c75c02/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2023-11-19 02:48:50,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:50,954 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:50,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50 WrapperNode [2023-11-19 02:48:50,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:50,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:50,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:50,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:50,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,153 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1657 [2023-11-19 02:48:51,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:51,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:51,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:51,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:51,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:51,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:51,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:51,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:51,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:50" (1/1) ... [2023-11-19 02:48:51,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:51,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:51,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4882012c-aa3b-41ef-af1c-db3c91c75c02/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:48:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:48:51,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:48:51,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:48:51,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:48:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:48:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:48:51,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:48:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:48:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:51,694 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:51,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:55,269 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:57,133 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:57,133 INFO L302 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-19 02:48:57,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:57 BoogieIcfgContainer [2023-11-19 02:48:57,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:57,141 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:57,141 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:57,152 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:57,152 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:57" (1/1) ... [2023-11-19 02:48:57,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 150 states and 258 transitions. [2023-11-19 02:48:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 258 transitions. [2023-11-19 02:48:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:48:57,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:57,434 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 02:48:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 151 states and 259 transitions. [2023-11-19 02:48:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 259 transitions. [2023-11-19 02:48:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:48:57,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:57,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:57,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:57,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:57,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 151 states and 255 transitions. [2023-11-19 02:48:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 255 transitions. [2023-11-19 02:48:57,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:57,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:57,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:57,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:57,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2023-11-19 02:48:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2023-11-19 02:48:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:48:57,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:57,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:57,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 151 states and 235 transitions. [2023-11-19 02:48:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2023-11-19 02:48:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:48:57,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:58,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:58,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:08,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:18,410 WARN L539 Checker$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 02:49:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 151 states and 223 transitions. [2023-11-19 02:49:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 223 transitions. [2023-11-19 02:49:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:49:18,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:18,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:18,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:29,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:32,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:42,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:52,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []