./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/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_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/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_08cbee91-f5e0-4562-baad-4b2f4b96940f/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:21,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:21,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:21:21,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:21,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:21,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:21,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:21,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:21,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:21,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:21,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:21,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:21,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:21,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:21,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:21,506 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:21:21,506 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:21:21,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:21,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:21,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:21,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:21,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:21,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:21,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:21,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:21,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:21,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:21,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:21,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:21,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:21,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:21,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:21,520 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_08cbee91-f5e0-4562-baad-4b2f4b96940f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-11-19 03:21:21,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:21,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:21,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:21,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:21,872 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:21,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-11-19 03:21:25,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:25,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:25,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-11-19 03:21:25,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/data/a8b049e6f/6f3af61dfb6c4ac7a492a35169a1a230/FLAG4351fcc55 [2023-11-19 03:21:25,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/data/a8b049e6f/6f3af61dfb6c4ac7a492a35169a1a230 [2023-11-19 03:21:25,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:25,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:25,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:25,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:25,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:25,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:25" (1/1) ... [2023-11-19 03:21:25,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be49778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:25, skipping insertion in model container [2023-11-19 03:21:25,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:25" (1/1) ... [2023-11-19 03:21:25,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:26,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:26,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:26,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:26,912 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:26,921 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:26,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26 WrapperNode [2023-11-19 03:21:26,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:26,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:26,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:26,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:26,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,147 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1725 [2023-11-19 03:21:27,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:27,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:27,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:27,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:27,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:27,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:27,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:27,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:27,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:26" (1/1) ... [2023-11-19 03:21:27,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:27,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:27,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:27,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08cbee91-f5e0-4562-baad-4b2f4b96940f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:21:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:21:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:21:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:27,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:27,829 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:27,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:29,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:31,628 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:31,628 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 03:21:31,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:31 BoogieIcfgContainer [2023-11-19 03:21:31,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:31,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:31,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:31,647 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:31,648 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:31" (1/1) ... [2023-11-19 03:21:31,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 209 states and 330 transitions. [2023-11-19 03:21:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2023-11-19 03:21:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:21:31,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:31,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 208 states and 325 transitions. [2023-11-19 03:21:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2023-11-19 03:21:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:21:31,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:31,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 210 states and 328 transitions. [2023-11-19 03:21:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 328 transitions. [2023-11-19 03:21:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:21:32,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:32,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 209 states and 317 transitions. [2023-11-19 03:21:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 317 transitions. [2023-11-19 03:21:32,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:21:32,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:32,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:32,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 209 states and 315 transitions. [2023-11-19 03:21:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 315 transitions. [2023-11-19 03:21:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:21:32,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:32,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:42,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:21:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 209 states and 313 transitions. [2023-11-19 03:21:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 313 transitions. [2023-11-19 03:21:42,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:21:42,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:42,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:43,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:43,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 206 states and 310 transitions. [2023-11-19 03:21:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 310 transitions. [2023-11-19 03:21:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:43,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:43,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:21:43,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:54,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:00,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 210 states and 313 transitions. [2023-11-19 03:22:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2023-11-19 03:22:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:22:01,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:01,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:01,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:01,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:11,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 210 states and 311 transitions. [2023-11-19 03:22:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 311 transitions. [2023-11-19 03:22:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:22:11,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:11,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:22:11,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:11,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:22:21,778 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 []