./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.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_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/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_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/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_897ee460-8b01-4f73-b47b-eacd95585d29/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:10,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:10,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:01:10,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:10,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:10,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:10,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:10,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:10,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:10,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:10,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:10,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:10,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:10,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:10,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:10,243 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:01:10,244 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:01:10,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:10,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:10,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:10,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:10,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:10,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:10,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:10,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:10,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:10,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:10,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:10,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:10,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:10,252 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:10,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:10,253 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_897ee460-8b01-4f73-b47b-eacd95585d29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-11-19 03:01:10,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:10,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:10,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:10,693 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:10,693 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:10,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-19 03:01:14,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:14,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:14,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-19 03:01:14,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/data/645e01ecb/194bc2bded7d4375b22f09e63d93e44c/FLAG7f122b8a9 [2023-11-19 03:01:14,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/data/645e01ecb/194bc2bded7d4375b22f09e63d93e44c [2023-11-19 03:01:14,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:14,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:14,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:14,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:14,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:14,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:14" (1/1) ... [2023-11-19 03:01:14,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5fbf05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:14, skipping insertion in model container [2023-11-19 03:01:14,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:14" (1/1) ... [2023-11-19 03:01:14,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:15,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:15,521 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:15,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:15,657 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:15,665 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:15,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15 WrapperNode [2023-11-19 03:01:15,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:15,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:15,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:15,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:15,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,829 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1659 [2023-11-19 03:01:15,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:15,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:15,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:15,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:15,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:15,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:16,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:16,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:16,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:16,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:16,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:15" (1/1) ... [2023-11-19 03:01:16,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:16,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:16,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:16,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_897ee460-8b01-4f73-b47b-eacd95585d29/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:01:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:01:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:01:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:01:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:01:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:01:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:01:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:16,406 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:16,409 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:18,266 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:20,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:20,187 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 03:01:20,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:20 BoogieIcfgContainer [2023-11-19 03:01:20,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:20,203 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:20,203 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:20,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:20,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:20" (1/1) ... [2023-11-19 03:01:20,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 323 states and 494 transitions. [2023-11-19 03:01:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 494 transitions. [2023-11-19 03:01:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:20,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:20,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:20,502 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 03:01:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 323 states and 492 transitions. [2023-11-19 03:01:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 492 transitions. [2023-11-19 03:01:20,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:01:20,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:20,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:20,812 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 03:01:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 325 states and 495 transitions. [2023-11-19 03:01:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 495 transitions. [2023-11-19 03:01:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:20,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:21,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:21,014 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 03:01:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 324 states and 490 transitions. [2023-11-19 03:01:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 490 transitions. [2023-11-19 03:01:21,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:01:21,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:21,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:21,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:21,141 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 03:01:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 324 states and 486 transitions. [2023-11-19 03:01:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2023-11-19 03:01:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:01:21,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:21,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:21,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:21,307 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 03:01:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2023-11-19 03:01:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2023-11-19 03:01:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:01:21,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:21,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:21,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:21,645 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 03:01:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 324 states and 474 transitions. [2023-11-19 03:01:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 474 transitions. [2023-11-19 03:01:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:01:22,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:22,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:22,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:22,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:22,650 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 03:01:32,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:01:42,900 WARN L539 Checker$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 03:01:52,909 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 03:01:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 329 states and 480 transitions. [2023-11-19 03:01:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 480 transitions. [2023-11-19 03:01:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:01:52,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:53,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:53,162 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 03:01:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 329 states and 478 transitions. [2023-11-19 03:01:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 478 transitions. [2023-11-19 03:01:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:01:53,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:53,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:53,492 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 03:01:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 329 states and 476 transitions. [2023-11-19 03:01:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 476 transitions. [2023-11-19 03:01:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:53,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:02:00,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:00,826 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 03:02:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 330 states and 477 transitions. [2023-11-19 03:02:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 477 transitions. [2023-11-19 03:02:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:02:00,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:00,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:07,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:02:07,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 331 states and 478 transitions. [2023-11-19 03:02:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 478 transitions. [2023-11-19 03:02:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:02:07,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:10,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:02:10,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 333 states and 482 transitions. [2023-11-19 03:02:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 482 transitions. [2023-11-19 03:02:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:02:11,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:11,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:13,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:02:13,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:02:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 334 states and 483 transitions. [2023-11-19 03:02:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 483 transitions. [2023-11-19 03:02:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:02:14,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:14,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms