./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/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_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/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_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/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 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:58,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:58,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:54:58,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:58,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:58,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:58,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:58,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:58,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:58,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:58,256 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:58,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:58,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:58,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:58,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:58,260 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:58,260 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:58,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:58,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:58,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:58,262 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:58,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:58,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:58,264 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:58,264 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:58,265 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:58,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:58,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:58,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:58,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:58,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:58,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:58,269 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_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4c2149f6fe1f453f0ff04220f5041f2227f6654d0fa84d48205415ce284fcb [2023-11-24 22:54:58,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:58,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:58,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:58,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:58,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:58,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/sll-buckets-2.i [2023-11-24 22:55:01,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:02,070 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:02,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/sv-benchmarks/c/forester-heap/sll-buckets-2.i [2023-11-24 22:55:02,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/data/42c18f462/f7a426d4fdce4c5fbf2f37a8ef5ae048/FLAG838d5d250 [2023-11-24 22:55:02,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/data/42c18f462/f7a426d4fdce4c5fbf2f37a8ef5ae048 [2023-11-24 22:55:02,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:02,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:02,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:02,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:02,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:02,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa27258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02, skipping insertion in model container [2023-11-24 22:55:02,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:02,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:02,606 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:02,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:02,689 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:02,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02 WrapperNode [2023-11-24 22:55:02,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:02,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:02,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:02,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:02,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,749 INFO L138 Inliner]: procedures = 119, calls = 47, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 172 [2023-11-24 22:55:02,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:02,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:02,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:02,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:02,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:02,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:02,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:02,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:02,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:02,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:02,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:02,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d4bbf3-5e55-41e0-9dcb-f88053af01e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:03,074 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:03,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:03,385 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:03,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:03,499 INFO L309 CfgBuilder]: Removed 15 assume(true) statements. [2023-11-24 22:55:03,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:03 BoogieIcfgContainer [2023-11-24 22:55:03,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:03,509 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:03,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:03,519 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:03,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:03" (1/1) ... [2023-11-24 22:55:03,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2023-11-24 22:55:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2023-11-24 22:55:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:03,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,858 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 22:55:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2023-11-24 22:55:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-24 22:55:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:03,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,322 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 22:55:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-11-24 22:55:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-24 22:55:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:04,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,601 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 22:55:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-11-24 22:55:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-11-24 22:55:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:04,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,738 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 22:55:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2023-11-24 22:55:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-24 22:55:04,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:04,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,988 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 22:55:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 70 transitions. [2023-11-24 22:55:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2023-11-24 22:55:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:05,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,872 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 22:55:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2023-11-24 22:55:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2023-11-24 22:55:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:55:06,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-24 22:55:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-24 22:55:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:55:06,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2023-11-24 22:55:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-24 22:55:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:07,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,531 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 22:55:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-11-24 22:55:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-24 22:55:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:07,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2023-11-24 22:55:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-24 22:55:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:08,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-11-24 22:55:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-24 22:55:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:12,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:12,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2023-11-24 22:55:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2023-11-24 22:55:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:15,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2023-11-24 22:55:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2023-11-24 22:55:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:18,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 106 states and 181 transitions. [2023-11-24 22:55:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 181 transitions. [2023-11-24 22:55:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:20,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 217 transitions. [2023-11-24 22:55:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2023-11-24 22:55:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:29,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 216 transitions. [2023-11-24 22:55:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 216 transitions. [2023-11-24 22:55:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:29,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:55:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 120 states and 222 transitions. [2023-11-24 22:55:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 222 transitions. [2023-11-24 22:55:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:30,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:30,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 133 states and 257 transitions. [2023-11-24 22:55:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 257 transitions. [2023-11-24 22:55:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:55:41,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 260 transitions. [2023-11-24 22:55:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 260 transitions. [2023-11-24 22:55:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:55:41,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:41,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.