./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.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_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/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_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/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_862723aa-1843-45c0-9ec9-656e1f5f5e07/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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:04,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:05,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:51:05,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:05,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:05,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:05,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:05,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:05,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:05,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:05,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:05,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:05,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:05,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:05,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:05,176 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:05,176 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:05,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:05,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:05,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:05,179 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:05,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:05,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:05,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:05,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:05,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:05,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:05,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:05,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:05,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:05,185 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:05,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:05,185 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_862723aa-1843-45c0-9ec9-656e1f5f5e07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-11-24 22:51:05,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:05,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:05,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:05,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:05,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:05,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-24 22:51:08,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:09,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:09,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-24 22:51:09,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/data/4afacaef2/b6be4358295f4e26b1c9f4f57dd90415/FLAG01a30d423 [2023-11-24 22:51:09,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/data/4afacaef2/b6be4358295f4e26b1c9f4f57dd90415 [2023-11-24 22:51:09,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:09,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:09,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:09,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:09,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:09,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f97687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:09, skipping insertion in model container [2023-11-24 22:51:09,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:09" (1/1) ... [2023-11-24 22:51:09,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:10,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:10,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:10,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:10,577 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:10,586 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:10,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10 WrapperNode [2023-11-24 22:51:10,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:10,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:10,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:10,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:10,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,752 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 24, calls inlined = 36, statements flattened = 1528 [2023-11-24 22:51:10,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:10,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:10,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:10,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:10,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:10,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:10,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:10,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:10,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:10" (1/1) ... [2023-11-24 22:51:10,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:10,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:10,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:10,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_862723aa-1843-45c0-9ec9-656e1f5f5e07/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:51:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:51:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:51:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:11,366 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:11,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:13,256 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:14,901 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:14,902 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:51:14,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:14 BoogieIcfgContainer [2023-11-24 22:51:14,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:14,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:14,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:14,918 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:14,919 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 182 states and 288 transitions. [2023-11-24 22:51:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2023-11-24 22:51:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:15,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,300 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 22:51:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 181 states and 283 transitions. [2023-11-24 22:51:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 283 transitions. [2023-11-24 22:51:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:15,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,599 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 22:51:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 183 states and 286 transitions. [2023-11-24 22:51:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 286 transitions. [2023-11-24 22:51:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:15,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:15,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:15,871 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 22:51:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 182 states and 275 transitions. [2023-11-24 22:51:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 275 transitions. [2023-11-24 22:51:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:15,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,114 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 22:51:16,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 182 states and 273 transitions. [2023-11-24 22:51:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-24 22:51:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:16,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:16,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:16,299 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 22:51:26,343 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 [] [2023-11-24 22:51:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 182 states and 271 transitions. [2023-11-24 22:51:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 271 transitions. [2023-11-24 22:51:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:51:26,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:26,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:27,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:51:27,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:27,299 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 22:51:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 179 states and 268 transitions. [2023-11-24 22:51:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 268 transitions. [2023-11-24 22:51:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:51:27,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:27,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:51:27,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:27,811 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 22:51:38,315 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 22:51:48,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:58,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:52:08,422 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 22:52:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 197 states and 290 transitions. [2023-11-24 22:52:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 290 transitions. [2023-11-24 22:52:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:52:08,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:08,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:09,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,132 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 22:52:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 196 states and 277 transitions. [2023-11-24 22:52:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 277 transitions. [2023-11-24 22:52:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:09,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:52:09,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,446 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 22:52:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 196 states and 276 transitions. [2023-11-24 22:52:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions. [2023-11-24 22:52:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:09,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:09,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,867 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 22:52:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 190 states and 267 transitions. [2023-11-24 22:52:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 267 transitions. [2023-11-24 22:52:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:52:09,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:10,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.