./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.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_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/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_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/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_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:53,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:54,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:10:54,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:54,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:54,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:54,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:54,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:54,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:54,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:54,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:54,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:54,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:54,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:54,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:54,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:54,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:54,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:54,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:54,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:54,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:54,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:54,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:54,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:54,146 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:54,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:54,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:54,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:54,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:54,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:54,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:54,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:54,150 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:54,151 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_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2023-11-19 03:10:54,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:54,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:54,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:54,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:54,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:54,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-11-19 03:10:57,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:58,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:58,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2023-11-19 03:10:58,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/data/21401c8ff/3c84f68853cc479d93829f614951b2b4/FLAG371953317 [2023-11-19 03:10:58,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/data/21401c8ff/3c84f68853cc479d93829f614951b2b4 [2023-11-19 03:10:58,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:58,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:58,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:58,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:58,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:58,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:58" (1/1) ... [2023-11-19 03:10:58,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787458d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:58, skipping insertion in model container [2023-11-19 03:10:58,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:58" (1/1) ... [2023-11-19 03:10:58,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:58,846 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_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2023-11-19 03:10:59,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:59,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:59,212 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_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2023-11-19 03:10:59,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:59,384 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:59,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59 WrapperNode [2023-11-19 03:10:59,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:59,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:59,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:59,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:59,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,613 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1805 [2023-11-19 03:10:59,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:59,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:59,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:59,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:59,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:59,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:59,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:59,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:59,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:59" (1/1) ... [2023-11-19 03:10:59,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:59,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:59,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8c8f1b-caa7-4958-a5a6-4cd3c744c646/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:10:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:10:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:10:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:10:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:10:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:10:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:10:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:10:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:10:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:10:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:10:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:00,175 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:00,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:02,105 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:04,384 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:04,385 INFO L302 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-19 03:11:04,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:04 BoogieIcfgContainer [2023-11-19 03:11:04,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:04,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:04,400 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:04,410 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:04,410 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:04" (1/1) ... [2023-11-19 03:11:04,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2023-11-19 03:11:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2023-11-19 03:11:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:11:04,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,783 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 03:11:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 164 states and 282 transitions. [2023-11-19 03:11:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2023-11-19 03:11:04,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:11:04,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:04,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:05,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,014 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 03:11:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 164 states and 278 transitions. [2023-11-19 03:11:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 278 transitions. [2023-11-19 03:11:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:05,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:05,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,138 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 03:11:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2023-11-19 03:11:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2023-11-19 03:11:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:11:05,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:05,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,316 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 03:11:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 258 transitions. [2023-11-19 03:11:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 258 transitions. [2023-11-19 03:11:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:11:05,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:05,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:05,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:05,662 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 03:11:15,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:25,757 WARN L539 Checker$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 03:11:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:25,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 164 states and 246 transitions. [2023-11-19 03:11:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-19 03:11:25,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:11:25,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:26,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:11:26,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:26,506 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 03:11:36,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:46,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:50,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:12:00,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []