./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/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_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/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_bea867e8-02c7-4e3d-af5e-520ba6c76041/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 cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:05,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:05,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:41:05,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:05,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:05,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:05,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:05,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:05,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:05,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:05,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:05,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:05,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:05,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:05,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:05,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:05,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:05,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:05,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:05,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:05,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:05,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:05,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:05,891 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:05,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:05,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:05,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:05,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:05,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:05,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:05,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:05,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:05,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:05,896 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_bea867e8-02c7-4e3d-af5e-520ba6c76041/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 [2023-11-19 03:41:06,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:06,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:06,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:06,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:06,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:06,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i [2023-11-19 03:41:09,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:09,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:09,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i [2023-11-19 03:41:09,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/data/d46b2479b/b0a2ffc85d8c427eb0c9877881aad593/FLAGd0316a0de [2023-11-19 03:41:09,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/data/d46b2479b/b0a2ffc85d8c427eb0c9877881aad593 [2023-11-19 03:41:09,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:09,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:09,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:09,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:09,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:09,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:09" (1/1) ... [2023-11-19 03:41:09,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48225852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:09, skipping insertion in model container [2023-11-19 03:41:09,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:09" (1/1) ... [2023-11-19 03:41:09,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:10,022 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:10,235 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_bea867e8-02c7-4e3d-af5e-520ba6c76041/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i[33510,33523] [2023-11-19 03:41:10,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:10,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:10,495 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:10,508 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_bea867e8-02c7-4e3d-af5e-520ba6c76041/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i[33510,33523] [2023-11-19 03:41:10,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:10,597 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:10,597 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:10,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:10,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10 WrapperNode [2023-11-19 03:41:10,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:10,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:10,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:10,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:10,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,755 INFO L138 Inliner]: procedures = 178, calls = 333, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1502 [2023-11-19 03:41:10,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:10,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:10,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:10,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:10,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:10,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:10,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:10,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:10,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:11,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:11,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:11,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea867e8-02c7-4e3d-af5e-520ba6c76041/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:41:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:41:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:41:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:41:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:41:11,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:41:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:41:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:41:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:41:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:41:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:11,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:11,372 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:11,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:13,034 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:14,906 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:14,906 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:41:14,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:14 BoogieIcfgContainer [2023-11-19 03:41:14,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:14,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:14,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:14,923 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:14,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:14" (1/1) ... [2023-11-19 03:41:14,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 138 states and 233 transitions. [2023-11-19 03:41:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2023-11-19 03:41:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:41:14,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:14,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,219 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 03:41:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-11-19 03:41:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-11-19 03:41:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:15,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,476 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 03:41:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 145 states and 241 transitions. [2023-11-19 03:41:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 241 transitions. [2023-11-19 03:41:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:15,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,567 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 03:41:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 145 states and 239 transitions. [2023-11-19 03:41:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2023-11-19 03:41:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:41:15,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:15,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:15,696 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 03:41:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2023-11-19 03:41:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2023-11-19 03:41:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:41:15,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,755 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 03:41:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 145 states and 233 transitions. [2023-11-19 03:41:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2023-11-19 03:41:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:41:15,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:15,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:15,936 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 03:41:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 145 states and 229 transitions. [2023-11-19 03:41:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2023-11-19 03:41:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:41:15,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,990 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 03:41:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 145 states and 227 transitions. [2023-11-19 03:41:16,001 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 227 transitions. [2023-11-19 03:41:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:41:16,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:16,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:17,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 145 states and 225 transitions. [2023-11-19 03:41:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-11-19 03:41:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:41:17,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:18,352 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 03:41:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 150 states and 234 transitions. [2023-11-19 03:41:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2023-11-19 03:41:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:41:19,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:19,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,260 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 03:41:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2023-11-19 03:41:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2023-11-19 03:41:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:41:19,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:19,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:19,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:19,457 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 03:41:23,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 150 states and 222 transitions. [2023-11-19 03:41:23,611 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 222 transitions. [2023-11-19 03:41:23,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:41:23,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:23,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:24,054 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 03:41:34,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:41:44,123 WARN L539 Checker$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 03:41:54,135 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 03:41:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 153 states and 224 transitions. [2023-11-19 03:41:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2023-11-19 03:41:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:41:54,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:54,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:54,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:54,399 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 03:41:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2023-11-19 03:41:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2023-11-19 03:41:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:41:54,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:54,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:54,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:54,648 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 03:41:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 220 transitions. [2023-11-19 03:41:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 220 transitions. [2023-11-19 03:41:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:41:54,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:55,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:41:55,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:55,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:41:55,992 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 03:42:06,072 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 [] [2023-11-19 03:42:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 188 states and 264 transitions. [2023-11-19 03:42:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2023-11-19 03:42:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:42:07,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:07,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:42:07,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.