./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.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_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/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_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/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_7a610604-f45d-4bb5-aa83-2d3069c61ed3/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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:50,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:50,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:56:50,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:50,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:50,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:50,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:50,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:50,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:50,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:50,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:50,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:50,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:50,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:50,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:50,430 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:56:50,431 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:56:50,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:50,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:50,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:50,433 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:50,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:50,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:50,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:50,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:50,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:50,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:50,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:50,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:50,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:50,454 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:50,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:50,454 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_7a610604-f45d-4bb5-aa83-2d3069c61ed3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2023-11-19 02:56:50,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:50,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:50,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:50,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:50,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:50,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2023-11-19 02:56:53,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:54,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:54,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2023-11-19 02:56:54,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/data/7e0a82975/8772e10073d74b8e81101a9b90dc22cd/FLAG05a3f54a3 [2023-11-19 02:56:54,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/data/7e0a82975/8772e10073d74b8e81101a9b90dc22cd [2023-11-19 02:56:54,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:54,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:54,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:54,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:54,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:54,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b921fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54, skipping insertion in model container [2023-11-19 02:56:54,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:55,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:55,185 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:55,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:55,416 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:55,427 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:55,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55 WrapperNode [2023-11-19 02:56:55,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:55,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:55,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:55,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:55,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,600 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 24, calls inlined = 68, statements flattened = 1659 [2023-11-19 02:56:55,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:55,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:55,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:55,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:55,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:55,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:55,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:55,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:55,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:55" (1/1) ... [2023-11-19 02:56:55,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:55,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:55,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:55,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a610604-f45d-4bb5-aa83-2d3069c61ed3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:56:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:56:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:56:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:56:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:56,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:56,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:58,241 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:00,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:00,137 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 02:57:00,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:00 BoogieIcfgContainer [2023-11-19 02:57:00,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:00,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:00,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:00,164 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:00,165 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:00" (1/1) ... [2023-11-19 02:57:00,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:00,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 323 states and 494 transitions. [2023-11-19 02:57:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 494 transitions. [2023-11-19 02:57:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:57:00,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:00,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:00,503 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 02:57:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 323 states and 492 transitions. [2023-11-19 02:57:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 492 transitions. [2023-11-19 02:57:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:57:00,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:00,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:00,796 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 02:57:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 325 states and 495 transitions. [2023-11-19 02:57:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 495 transitions. [2023-11-19 02:57:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:57:00,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:00,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:00,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:00,961 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 02:57:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 324 states and 490 transitions. [2023-11-19 02:57:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 490 transitions. [2023-11-19 02:57:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:57:00,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:00,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:01,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:01,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:01,089 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 02:57:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 324 states and 486 transitions. [2023-11-19 02:57:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 486 transitions. [2023-11-19 02:57:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:57:01,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:01,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:01,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:01,237 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 02:57:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2023-11-19 02:57:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2023-11-19 02:57:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:57:01,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:01,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:01,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:01,477 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 02:57:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 324 states and 474 transitions. [2023-11-19 02:57:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 474 transitions. [2023-11-19 02:57:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:57:02,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:02,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:02,754 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 02:57:12,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:22,988 WARN L539 Checker$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 02:57:26,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 337 states and 489 transitions. [2023-11-19 02:57:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 489 transitions. [2023-11-19 02:57:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:57:26,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:26,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:26,274 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 02:57:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 337 states and 487 transitions. [2023-11-19 02:57:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 487 transitions. [2023-11-19 02:57:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:57:26,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:26,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:26,498 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 02:57:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 337 states and 485 transitions. [2023-11-19 02:57:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 485 transitions. [2023-11-19 02:57:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:57:26,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:26,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:26,829 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 02:57:36,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 335 states and 479 transitions. [2023-11-19 02:57:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 479 transitions. [2023-11-19 02:57:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:57:36,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:36,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:57:39,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:39,726 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 02:57:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 336 states and 480 transitions. [2023-11-19 02:57:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 480 transitions. [2023-11-19 02:57:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:57:39,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:44,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:57:44,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 337 states and 481 transitions. [2023-11-19 02:57:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 481 transitions. [2023-11-19 02:57:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:57:45,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:45,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:53,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:57:53,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 338 states and 482 transitions. [2023-11-19 02:57:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 482 transitions. [2023-11-19 02:57:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:57:54,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:54,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms