./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/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_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL --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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:41,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:41,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:43:41,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:41,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:42,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:42,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:42,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:42,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:42,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:42,027 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:42,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:42,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:42,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:42,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:42,031 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:43:42,032 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:43:42,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:42,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:42,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:42,035 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:42,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:42,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:42,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:42,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:42,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:42,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:42,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:42,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:42,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:42,042 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:42,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:42,044 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_3cfda592-c4c2-4b42-ac60-fde0b39b4156/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2023-11-19 03:43:42,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:42,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:42,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:42,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:42,426 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:42,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2023-11-19 03:43:46,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:46,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:46,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2023-11-19 03:43:46,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/data/ec2c3c60b/df1e428248744935a2cd916adc03eb04/FLAG2382257f3 [2023-11-19 03:43:46,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/data/ec2c3c60b/df1e428248744935a2cd916adc03eb04 [2023-11-19 03:43:46,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:46,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:46,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:46,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:46,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:46,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:46" (1/1) ... [2023-11-19 03:43:46,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c6ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:46, skipping insertion in model container [2023-11-19 03:43:46,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:46" (1/1) ... [2023-11-19 03:43:46,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:47,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:47,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:47,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:47,677 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:43:47,690 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:47,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47 WrapperNode [2023-11-19 03:43:47,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:47,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:47,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:47,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:47,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,837 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1572 [2023-11-19 03:43:47,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:47,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:47,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:47,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:47,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:47,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:47,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:47,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:47,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:47" (1/1) ... [2023-11-19 03:43:47,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:48,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:48,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cfda592-c4c2-4b42-ac60-fde0b39b4156/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:43:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:43:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:43:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:43:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:43:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:43:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:43:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:43:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:48,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:48,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:51,025 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:52,997 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:52,997 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:43:53,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:53 BoogieIcfgContainer [2023-11-19 03:43:53,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:53,013 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:53,013 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:53,023 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:53,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:53" (1/1) ... [2023-11-19 03:43:53,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 163 states and 271 transitions. [2023-11-19 03:43:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 271 transitions. [2023-11-19 03:43:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:43:53,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:53,403 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 03:43:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 163 states and 269 transitions. [2023-11-19 03:43:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 269 transitions. [2023-11-19 03:43:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:43:53,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:53,664 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 03:43:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 165 states and 272 transitions. [2023-11-19 03:43:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2023-11-19 03:43:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:43:53,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:53,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:53,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:53,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-19 03:43:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-19 03:43:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:43:53,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:53,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:53,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 165 states and 266 transitions. [2023-11-19 03:43:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2023-11-19 03:43:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:43:53,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:54,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:54,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 165 states and 260 transitions. [2023-11-19 03:43:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 260 transitions. [2023-11-19 03:43:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:43:54,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:54,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:54,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:54,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:04,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:44:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 165 states and 254 transitions. [2023-11-19 03:44:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-11-19 03:44:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:44:04,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:04,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:44:04,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:15,219 WARN L539 Checker$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 03:44:25,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:44:35,243 WARN L539 Checker$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 03:44:45,254 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 03:44:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 178 states and 269 transitions. [2023-11-19 03:44:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 269 transitions. [2023-11-19 03:44:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:44:45,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:45,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:44:45,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:45,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 178 states and 267 transitions. [2023-11-19 03:44:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 267 transitions. [2023-11-19 03:44:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:44:45,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:45,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:45,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:44:45,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 178 states and 265 transitions. [2023-11-19 03:44:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2023-11-19 03:44:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:44:45,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:46,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:44:46,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.