./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/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_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/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_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/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 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:06,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:06,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:33:06,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:06,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:06,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:06,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:06,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:06,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:06,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:33:06,819 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:06,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:06,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:06,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:06,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:33:06,823 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:33:06,824 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:33:06,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:06,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:33:06,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:33:06,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:06,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:33:06,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:06,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:06,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:06,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:06,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:06,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:06,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:06,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:06,832 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:06,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:06,833 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_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2023-11-19 02:33:07,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:07,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:07,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:07,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:07,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:07,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2023-11-19 02:33:10,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:10,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:10,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2023-11-19 02:33:10,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/data/95b21d86c/cf483675116b4ca7bb9b18275855cd3b/FLAG6ccb6dde4 [2023-11-19 02:33:10,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/data/95b21d86c/cf483675116b4ca7bb9b18275855cd3b [2023-11-19 02:33:10,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:10,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:10,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:10,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:10,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:10,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5403abe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10, skipping insertion in model container [2023-11-19 02:33:10,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:11,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:11,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:11,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:11,724 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:11,732 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:11,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11 WrapperNode [2023-11-19 02:33:11,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:11,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:11,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:11,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:11,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:11,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:11,939 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 24, calls inlined = 36, statements flattened = 1528 [2023-11-19 02:33:11,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:11,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:11,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:11,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:11,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:11,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:11,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:11,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:12,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:12,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:12,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:12,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:12,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:12,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:12,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:12,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:12,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:12,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:12,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:12,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:12,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1c9c8b-ab45-4e8a-8478-57aa0e277846/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:33:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:33:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:33:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:33:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:33:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:33:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:33:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:33:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:12,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:12,479 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:12,482 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:14,402 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:16,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:16,484 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:33:16,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:16 BoogieIcfgContainer [2023-11-19 02:33:16,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:16,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:16,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:16,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:16,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:16" (1/1) ... [2023-11-19 02:33:16,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 182 states and 288 transitions. [2023-11-19 02:33:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 288 transitions. [2023-11-19 02:33:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:33:16,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:16,749 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 02:33:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 181 states and 283 transitions. [2023-11-19 02:33:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 283 transitions. [2023-11-19 02:33:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:33:16,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:17,026 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 02:33:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 183 states and 286 transitions. [2023-11-19 02:33:17,068 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 286 transitions. [2023-11-19 02:33:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:33:17,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:17,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:17,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:17,229 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 02:33:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 182 states and 275 transitions. [2023-11-19 02:33:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 275 transitions. [2023-11-19 02:33:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:33:17,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:17,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:17,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:17,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:17,394 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 02:33:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 182 states and 273 transitions. [2023-11-19 02:33:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-19 02:33:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:33:17,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:17,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:17,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:17,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:17,554 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 02:33:27,580 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 02:33:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 182 states and 271 transitions. [2023-11-19 02:33:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 271 transitions. [2023-11-19 02:33:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:33:27,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:27,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:28,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:33:28,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:28,790 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 02:33:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 179 states and 268 transitions. [2023-11-19 02:33:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 268 transitions. [2023-11-19 02:33:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:33:28,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:28,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:29,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:33:29,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:29,328 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 02:33:39,623 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 02:33:49,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:33:59,644 WARN L539 Checker$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 02:34:01,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:34:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 197 states and 290 transitions. [2023-11-19 02:34:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 290 transitions. [2023-11-19 02:34:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:34:02,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:02,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:02,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:02,414 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 02:34:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 196 states and 277 transitions. [2023-11-19 02:34:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 277 transitions. [2023-11-19 02:34:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:34:02,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:02,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:02,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:34:02,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:02,717 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 02:34:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 196 states and 276 transitions. [2023-11-19 02:34:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions. [2023-11-19 02:34:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:34:02,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:03,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:03,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:03,139 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 02:34:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 190 states and 267 transitions. [2023-11-19 02:34:03,153 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 267 transitions. [2023-11-19 02:34:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:34:03,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:03,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:03,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:34:03,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:13,384 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 02:34:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 190 states and 265 transitions. [2023-11-19 02:34:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 265 transitions. [2023-11-19 02:34:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:34:13,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:13,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:34:13,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:34:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.