./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.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_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/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_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/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_57996e18-359b-44cc-86af-88e1eb2bff39/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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:46,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:46,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:52:46,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:46,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:46,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:46,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:46,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:46,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:46,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:46,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:46,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:46,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:46,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:46,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:46,930 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:52:46,930 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:52:46,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:46,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:46,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:46,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:46,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:46,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:46,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:46,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:46,936 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:46,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:46,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:46,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:46,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:46,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:46,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:46,941 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_57996e18-359b-44cc-86af-88e1eb2bff39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2023-11-24 22:52:47,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:47,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:47,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:47,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:47,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:47,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2023-11-24 22:52:50,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:51,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:51,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2023-11-24 22:52:51,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/data/ae3bccb32/11b51615ab784f32885062f7b3038392/FLAG257c27f4d [2023-11-24 22:52:51,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/data/ae3bccb32/11b51615ab784f32885062f7b3038392 [2023-11-24 22:52:51,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:51,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:51,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:51,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:51,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:51,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:51" (1/1) ... [2023-11-24 22:52:51,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d05489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:51, skipping insertion in model container [2023-11-24 22:52:51,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:51" (1/1) ... [2023-11-24 22:52:51,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:51,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:51,980 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:52,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:52,182 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:52,190 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:52,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52 WrapperNode [2023-11-24 22:52:52,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:52,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:52,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:52,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:52,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,410 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1659 [2023-11-24 22:52:52,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:52,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:52,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:52,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:52,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:52,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:52,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:52,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:52,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:52" (1/1) ... [2023-11-24 22:52:52,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:52,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:52,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:52,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57996e18-359b-44cc-86af-88e1eb2bff39/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:52:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:52:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:52:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:52:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:52,990 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:52,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:55,116 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:56,940 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:56,941 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-24 22:52:56,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:56 BoogieIcfgContainer [2023-11-24 22:52:56,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:56,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:56,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:56,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:56,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:56" (1/1) ... [2023-11-24 22:52:56,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 323 states and 494 transitions. [2023-11-24 22:52:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 494 transitions. [2023-11-24 22:52:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:52:57,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,341 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 22:52:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 323 states and 492 transitions. [2023-11-24 22:52:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 492 transitions. [2023-11-24 22:52:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:52:57,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,601 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 22:52:57,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 325 states and 495 transitions. [2023-11-24 22:52:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 495 transitions. [2023-11-24 22:52:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:52:57,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:57,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:57,858 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 22:52:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 324 states and 490 transitions. [2023-11-24 22:52:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 490 transitions. [2023-11-24 22:52:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:57,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:57,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:57,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:57,996 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 22:52:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 324 states and 486 transitions. [2023-11-24 22:52:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2023-11-24 22:52:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:52:58,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:58,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:58,127 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 22:52:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2023-11-24 22:52:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2023-11-24 22:52:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:58,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:58,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:58,356 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 22:53:08,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:53:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 324 states and 474 transitions. [2023-11-24 22:53:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 474 transitions. [2023-11-24 22:53:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:53:08,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:08,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:08,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:08,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:19,194 WARN L539 Checker$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 22:53:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:53:39,245 WARN L539 Checker$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 22:53:49,274 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 22:53:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 337 states and 489 transitions. [2023-11-24 22:53:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 489 transitions. [2023-11-24 22:53:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:53:49,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:49,583 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 22:53:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 337 states and 487 transitions. [2023-11-24 22:53:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 487 transitions. [2023-11-24 22:53:49,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:53:49,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:49,828 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 22:53:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 337 states and 485 transitions. [2023-11-24 22:53:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 485 transitions. [2023-11-24 22:53:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:53:49,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:50,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:50,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.