./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:06,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:07,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:51:07,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:07,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:07,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:07,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:07,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:07,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:07,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:07,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:07,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:07,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:07,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:07,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:07,084 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:07,085 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:07,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:07,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:07,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:07,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:07,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:07,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:07,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:07,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:07,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:07,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:07,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:07,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:07,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:07,104 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:07,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:07,105 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_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2023-11-24 22:51:07,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:07,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:07,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:07,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:07,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:07,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-11-24 22:51:10,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:10,815 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:10,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test2-2.i [2023-11-24 22:51:10,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/data/6efad53c2/09d172b41c8b4f3a8e56e58a381c651f/FLAG30bf90597 [2023-11-24 22:51:11,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/data/6efad53c2/09d172b41c8b4f3a8e56e58a381c651f [2023-11-24 22:51:11,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:11,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:11,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:11,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:11,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:11,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea6a213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:11, skipping insertion in model container [2023-11-24 22:51:11,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:11" (1/1) ... [2023-11-24 22:51:11,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:11,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:11,943 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:12,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:12,163 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:12,173 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:12,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12 WrapperNode [2023-11-24 22:51:12,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:12,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:12,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:12,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:12,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,356 INFO L138 Inliner]: procedures = 207, calls = 281, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1367 [2023-11-24 22:51:12,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:12,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:12,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:12,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:12,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:12,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:12,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:12,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:12,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:12" (1/1) ... [2023-11-24 22:51:12,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:12,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:12,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf71af1-d062-4fa2-bf40-4ca345091c97/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:51:12,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:51:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:12,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:51:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:12,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:12,922 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:12,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:14,534 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:16,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:16,187 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:51:16,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:16 BoogieIcfgContainer [2023-11-24 22:51:16,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:16,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:16,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:16,202 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:16,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:16" (1/1) ... [2023-11-24 22:51:16,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 197 transitions. [2023-11-24 22:51:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2023-11-24 22:51:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:51:16,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 198 transitions. [2023-11-24 22:51:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2023-11-24 22:51:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:16,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2023-11-24 22:51:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2023-11-24 22:51:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:16,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2023-11-24 22:51:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-24 22:51:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:17,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 203 transitions. [2023-11-24 22:51:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2023-11-24 22:51:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:51:17,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-11-24 22:51:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-11-24 22:51:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:17,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 121 states and 199 transitions. [2023-11-24 22:51:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2023-11-24 22:51:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:17,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 210 transitions. [2023-11-24 22:51:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2023-11-24 22:51:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:17,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 206 transitions. [2023-11-24 22:51:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2023-11-24 22:51:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:17,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 202 transitions. [2023-11-24 22:51:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 202 transitions. [2023-11-24 22:51:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:51:17,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 128 states and 200 transitions. [2023-11-24 22:51:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 200 transitions. [2023-11-24 22:51:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:51:18,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:18,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2023-11-24 22:51:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2023-11-24 22:51:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:51:18,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:28,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:28,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 128 states and 192 transitions. [2023-11-24 22:51:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 192 transitions. [2023-11-24 22:51:28,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:51:28,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:28,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 133 states and 201 transitions. [2023-11-24 22:51:30,537 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 201 transitions. [2023-11-24 22:51:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:51:30,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:30,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:30,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:40,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 133 states and 195 transitions. [2023-11-24 22:51:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2023-11-24 22:51:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:51:40,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:40,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:41,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:51:41,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:51,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:52:01,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:52:11,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []