./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.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_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/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_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/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_3b7f6a2d-b776-436c-9395-8ba982379b65/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 c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:24,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:24,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:37:24,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:24,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:24,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:24,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:24,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:24,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:24,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:24,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:24,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:24,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:24,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:24,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:24,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:24,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:24,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:24,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:24,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:24,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:24,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:24,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:24,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:24,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:24,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:24,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:24,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:24,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:24,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:24,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:24,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:24,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:24,426 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_3b7f6a2d-b776-436c-9395-8ba982379b65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b [2023-11-19 03:37:24,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:24,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:24,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:24,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:24,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:24,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2023-11-19 03:37:28,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:28,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:28,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2023-11-19 03:37:28,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/data/0a94c7d65/11ffe6993f224484b986d0ca8d505b41/FLAGd6966b324 [2023-11-19 03:37:28,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/data/0a94c7d65/11ffe6993f224484b986d0ca8d505b41 [2023-11-19 03:37:28,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:28,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:28,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:28,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:28,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:28,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:28" (1/1) ... [2023-11-19 03:37:28,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@815ee7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:28, skipping insertion in model container [2023-11-19 03:37:28,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:28" (1/1) ... [2023-11-19 03:37:28,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:29,162 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_3b7f6a2d-b776-436c-9395-8ba982379b65/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2023-11-19 03:37:29,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:29,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:29,444 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_3b7f6a2d-b776-436c-9395-8ba982379b65/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2023-11-19 03:37:29,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:29,634 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:29,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29 WrapperNode [2023-11-19 03:37:29,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:29,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:29,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:29,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:29,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:29,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:29,836 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1805 [2023-11-19 03:37:29,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:29,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:29,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:29,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:29,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:29,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:29,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:29,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:29,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:30,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:30,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:30,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:30,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:30,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:30,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:30,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:30,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:29" (1/1) ... [2023-11-19 03:37:30,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:30,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:30,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7f6a2d-b776-436c-9395-8ba982379b65/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:37:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:37:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:37:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:37:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:37:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:37:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:37:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:37:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:37:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:30,406 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:30,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:32,303 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:34,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:34,276 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 03:37:34,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:34 BoogieIcfgContainer [2023-11-19 03:37:34,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:34,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:34,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:34,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:34,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:34" (1/1) ... [2023-11-19 03:37:34,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2023-11-19 03:37:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2023-11-19 03:37:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:37:34,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:34,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:34,612 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 03:37:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 164 states and 282 transitions. [2023-11-19 03:37:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2023-11-19 03:37:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:37:34,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:34,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:34,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:34,802 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 03:37:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 164 states and 278 transitions. [2023-11-19 03:37:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 278 transitions. [2023-11-19 03:37:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:37:34,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:34,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:34,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:34,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:34,956 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 03:37:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2023-11-19 03:37:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2023-11-19 03:37:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:37:34,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:34,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:35,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:35,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:35,159 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 03:37:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 258 transitions. [2023-11-19 03:37:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 258 transitions. [2023-11-19 03:37:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:37:35,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:35,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:35,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:35,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:35,522 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 03:37:45,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:48,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 164 states and 246 transitions. [2023-11-19 03:37:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-19 03:37:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:37:48,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:49,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:37:49,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:49,570 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 03:37:59,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:09,637 WARN L539 Checker$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 03:38:19,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:29,656 WARN L539 Checker$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 03:38:32,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:38:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 216 states and 309 transitions. [2023-11-19 03:38:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 309 transitions. [2023-11-19 03:38:32,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:38:32,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:32,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:33,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:33,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:33,233 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 03:38:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 216 states and 307 transitions. [2023-11-19 03:38:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 307 transitions. [2023-11-19 03:38:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:38:33,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:33,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:33,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:33,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:33,650 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 03:38:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 216 states and 305 transitions. [2023-11-19 03:38:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 305 transitions. [2023-11-19 03:38:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:38:33,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:33,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:34,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:34,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:34,022 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 03:38:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 216 states and 303 transitions. [2023-11-19 03:38:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 303 transitions. [2023-11-19 03:38:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:38:34,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:34,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:34,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:34,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:34,386 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 03:38:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 216 states and 301 transitions. [2023-11-19 03:38:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 301 transitions. [2023-11-19 03:38:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:38:34,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:34,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:34,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:34,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.