./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:11,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:11,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:19:11,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:11,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:11,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:11,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:11,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:11,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:11,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:11,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:11,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:11,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:11,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:11,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:11,880 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:11,881 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:11,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:11,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:11,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:11,883 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:11,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:11,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:11,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:11,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:11,886 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:11,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:11,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:11,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:11,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:11,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:11,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:11,917 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_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2023-11-24 22:19:12,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:12,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:12,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:12,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:12,340 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:12,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2023-11-24 22:19:15,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:15,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:15,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2023-11-24 22:19:16,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/data/f96f389b0/f97800a5d29341b6a687474a02d35840/FLAG93223b287 [2023-11-24 22:19:16,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/data/f96f389b0/f97800a5d29341b6a687474a02d35840 [2023-11-24 22:19:16,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:16,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:16,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:16,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:16,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:16,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3cc9b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:16, skipping insertion in model container [2023-11-24 22:19:16,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:16,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:16,990 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:17,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:17,279 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:17,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17 WrapperNode [2023-11-24 22:19:17,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:17,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:17,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:17,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:17,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,569 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1895 [2023-11-24 22:19:17,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:17,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:17,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:17,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:17,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:17,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:17,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:17,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:17,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:17,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:17,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:17,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_420b1989-add7-4f0c-a922-96b6cf8c72aa/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:19:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:19:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:18,161 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:18,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:21,555 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:23,441 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:23,442 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-24 22:19:23,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:23 BoogieIcfgContainer [2023-11-24 22:19:23,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:23,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:23,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:23,456 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:23,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:23" (1/1) ... [2023-11-24 22:19:23,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 200 states and 328 transitions. [2023-11-24 22:19:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 328 transitions. [2023-11-24 22:19:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:23,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2023-11-24 22:19:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2023-11-24 22:19:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:23,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:23,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 201 states and 326 transitions. [2023-11-24 22:19:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 326 transitions. [2023-11-24 22:19:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:19:23,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:24,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 201 states and 318 transitions. [2023-11-24 22:19:24,136 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 318 transitions. [2023-11-24 22:19:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:19:24,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:24,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:24,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 201 states and 306 transitions. [2023-11-24 22:19:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 306 transitions. [2023-11-24 22:19:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:19:24,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:24,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:34,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:44,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 201 states and 292 transitions. [2023-11-24 22:19:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 292 transitions. [2023-11-24 22:19:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:19:44,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:45,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:19:45,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:55,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:20:05,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:20:15,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []