./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/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_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/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_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:27,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:27,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:09:27,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:27,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:27,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:27,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:27,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:27,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:27,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:27,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:27,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:27,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:27,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:27,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:27,905 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:09:27,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:09:27,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:27,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:27,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:27,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:27,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:27,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:27,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:27,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:27,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:27,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:27,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:27,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:27,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:27,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:27,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:27,913 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_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7 [2023-11-19 03:09:28,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:28,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:28,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:28,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:28,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:28,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2023-11-19 03:09:31,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:31,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:31,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i [2023-11-19 03:09:31,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/data/3a16147ce/bff9f3108b7c4b5c95d47901e2c5de98/FLAG4d429e30b [2023-11-19 03:09:31,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/data/3a16147ce/bff9f3108b7c4b5c95d47901e2c5de98 [2023-11-19 03:09:31,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:31,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:31,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:31,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:31,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:31,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:31" (1/1) ... [2023-11-19 03:09:31,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecdf5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:31, skipping insertion in model container [2023-11-19 03:09:31,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:31" (1/1) ... [2023-11-19 03:09:31,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:32,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:32,332 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:32,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:32,507 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:32,513 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:32,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32 WrapperNode [2023-11-19 03:09:32,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:32,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:32,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:32,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:32,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,668 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1350 [2023-11-19 03:09:32,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:32,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:32,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:32,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:32,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:32,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:32,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:32,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:32,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:32,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:32,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:32,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497d40e5-40dc-47b2-b9c1-f9ec37072eb8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:09:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:09:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:09:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:09:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:33,178 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:33,180 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:35,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:37,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:37,235 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:09:37,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:37 BoogieIcfgContainer [2023-11-19 03:09:37,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:37,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:37,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:37,252 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:37,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:37" (1/1) ... [2023-11-19 03:09:37,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-19 03:09:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-19 03:09:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:09:37,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,562 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 03:09:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-19 03:09:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-19 03:09:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:09:37,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,740 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 03:09:37,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2023-11-19 03:09:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2023-11-19 03:09:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:09:37,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:37,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:37,931 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 03:09:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-19 03:09:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-19 03:09:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:09:37,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:38,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:38,129 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 03:09:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 194 transitions. [2023-11-19 03:09:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2023-11-19 03:09:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:09:38,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:38,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:38,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:38,298 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 03:09:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2023-11-19 03:09:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-19 03:09:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:09:38,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:38,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:09:38,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:38,522 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 03:09:42,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:09:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2023-11-19 03:09:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-19 03:09:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:09:42,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:42,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:09:42,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:53,231 WARN L539 Checker$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 03:10:03,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:10:13,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:10:23,291 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 03:10:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-19 03:10:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-19 03:10:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:10:23,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:23,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:23,600 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 03:10:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2023-11-19 03:10:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-11-19 03:10:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:10:23,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:23,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:23,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:23,881 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 03:10:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 131 states and 193 transitions. [2023-11-19 03:10:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-19 03:10:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:10:23,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:23,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:24,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:24,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:34,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:10:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 129 states and 187 transitions. [2023-11-19 03:10:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2023-11-19 03:10:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:10:34,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:34,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:34,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:34,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:34,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:10:34,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 03:10:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 190 transitions. [2023-11-19 03:10:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2023-11-19 03:10:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:10:34,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:34,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:35,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:35,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 130 states and 185 transitions. [2023-11-19 03:10:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2023-11-19 03:10:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:10:35,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:35,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:35,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:35,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 130 states and 181 transitions. [2023-11-19 03:10:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 181 transitions. [2023-11-19 03:10:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:10:35,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:35,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:35,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:35,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:10:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 130 states and 179 transitions. [2023-11-19 03:10:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2023-11-19 03:10:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:10:35,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:36,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:36,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.