./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.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_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/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_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/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_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/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 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:17,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:17,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:17:17,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:17,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:17,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:17,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:17,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:17,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:17,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:17,289 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:17,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:17,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:17,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:17,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:17,292 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:17:17,292 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:17:17,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:17,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:17,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:17:17,295 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:17,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:17,296 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:17,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:17,297 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:17,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:17,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:17,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:17,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:17,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:17,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:17,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:17,302 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_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2023-11-24 22:17:17,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:17,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:17,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:17,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:17,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:17,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-11-24 22:17:20,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:21,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:21,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-11-24 22:17:21,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/data/c33dcc926/1cc454e9ed0f4330992e942e46a82668/FLAG72bfcef98 [2023-11-24 22:17:21,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/data/c33dcc926/1cc454e9ed0f4330992e942e46a82668 [2023-11-24 22:17:21,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:21,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:21,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:21,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:21,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:21,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:21" (1/1) ... [2023-11-24 22:17:21,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432c1fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:21, skipping insertion in model container [2023-11-24 22:17:21,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:21" (1/1) ... [2023-11-24 22:17:21,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:21,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:21,905 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:22,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:22,141 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:22,149 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:22,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22 WrapperNode [2023-11-24 22:17:22,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:22,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:22,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:22,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:22,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,266 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1350 [2023-11-24 22:17:22,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:22,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:22,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:22,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:22,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:22,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:22,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:22,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:22,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:22" (1/1) ... [2023-11-24 22:17:22,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:22,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:22,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:22,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88c1ac3-e6d8-4811-9c26-6c2de8c76adb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:17:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:17:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:17:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:17:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:17:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:17:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:22,836 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:22,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:24,881 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:26,666 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:26,666 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:17:26,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:26 BoogieIcfgContainer [2023-11-24 22:17:26,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:26,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:26,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:26,680 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:26,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:26" (1/1) ... [2023-11-24 22:17:26,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-24 22:17:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-24 22:17:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:17:26,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:26,941 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 22:17:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-24 22:17:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-24 22:17:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:17:26,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,264 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 22:17:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2023-11-24 22:17:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2023-11-24 22:17:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:27,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:27,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-24 22:17:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-24 22:17:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:27,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:27,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 194 transitions. [2023-11-24 22:17:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2023-11-24 22:17:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:27,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:27,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2023-11-24 22:17:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-24 22:17:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:17:27,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:28,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:38,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:17:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2023-11-24 22:17:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-24 22:17:38,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:17:38,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:17:38,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:48,786 WARN L539 Checker$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 22:17:58,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:08,858 WARN L539 Checker$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 22:18:18,900 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 22:18:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-24 22:18:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-24 22:18:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:18:18,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:18,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:18:19,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2023-11-24 22:18:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-11-24 22:18:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:18:19,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:18:19,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:19,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 131 states and 193 transitions. [2023-11-24 22:18:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-24 22:18:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:18:19,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:19,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:19,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:18:19,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.