./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.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_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/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_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/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_2444714b-248b-42e3-a19d-1bb82505d7ed/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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:31,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:31,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:22:31,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:31,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:31,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:31,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:31,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:31,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:31,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:31,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:31,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:31,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:31,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:31,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:31,996 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:22:31,996 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:22:31,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:31,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:31,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:31,998 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:31,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:31,999 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:32,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:32,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:32,001 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:32,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:32,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:32,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:32,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:32,004 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:32,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:32,004 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_2444714b-248b-42e3-a19d-1bb82505d7ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2023-11-19 03:22:32,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:32,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:32,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:32,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:32,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:32,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2023-11-19 03:22:35,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:35,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:35,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2023-11-19 03:22:35,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/data/16f38e481/576c28357c07442d821205f12f3e7c33/FLAG61028f60a [2023-11-19 03:22:35,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/data/16f38e481/576c28357c07442d821205f12f3e7c33 [2023-11-19 03:22:35,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:35,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:35,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:35,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:35,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:35,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:35" (1/1) ... [2023-11-19 03:22:35,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2238ee1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:35, skipping insertion in model container [2023-11-19 03:22:35,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:35" (1/1) ... [2023-11-19 03:22:35,881 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:36,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:36,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:36,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:36,729 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:36,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36 WrapperNode [2023-11-19 03:22:36,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:36,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:36,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:36,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:36,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,845 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 1030 [2023-11-19 03:22:36,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:36,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:36,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:36,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:36,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:37,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:37,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:37,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:37,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:37,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:37,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:37,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:37,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:37,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:37,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2444714b-248b-42e3-a19d-1bb82505d7ed/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:22:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:22:37,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:22:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:22:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:22:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:37,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:37,372 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:37,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:38,689 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:39,729 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:39,730 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:22:39,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:39 BoogieIcfgContainer [2023-11-19 03:22:39,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:39,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:39,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:39,746 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:39,746 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:39" (1/1) ... [2023-11-19 03:22:39,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 140 states and 220 transitions. [2023-11-19 03:22:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-11-19 03:22:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:22:39,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:39,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:39,983 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 03:22:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 141 states and 222 transitions. [2023-11-19 03:22:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 222 transitions. [2023-11-19 03:22:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:22:40,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,110 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 03:22:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 141 states and 220 transitions. [2023-11-19 03:22:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2023-11-19 03:22:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:22:40,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,190 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 03:22:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 141 states and 216 transitions. [2023-11-19 03:22:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-19 03:22:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:22:40,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,283 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 03:22:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 141 states and 210 transitions. [2023-11-19 03:22:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2023-11-19 03:22:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:22:40,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:40,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:40,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:40,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:40,529 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 03:22:50,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 141 states and 204 transitions. [2023-11-19 03:22:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2023-11-19 03:22:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:22:50,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:52,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 168 states and 236 transitions. [2023-11-19 03:22:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2023-11-19 03:22:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:22:53,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:53,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:53,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:53,458 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 03:22:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 168 states and 234 transitions. [2023-11-19 03:22:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2023-11-19 03:22:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:22:53,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:53,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:53,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:53,705 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 03:22:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 168 states and 232 transitions. [2023-11-19 03:22:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 232 transitions. [2023-11-19 03:22:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:22:53,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:53,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:53,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:54,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:04,035 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 03:23:04,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2023-11-19 03:23:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2023-11-19 03:23:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:23:04,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:04,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:04,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:04,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:04,346 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 03:23:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 166 states and 224 transitions. [2023-11-19 03:23:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 224 transitions. [2023-11-19 03:23:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:23:04,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:04,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:04,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:04,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:04,805 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 03:23:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 173 states and 232 transitions. [2023-11-19 03:23:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 232 transitions. [2023-11-19 03:23:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:23:05,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:05,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:05,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:05,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:05,376 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 03:23:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 173 states and 231 transitions. [2023-11-19 03:23:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 231 transitions. [2023-11-19 03:23:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:23:05,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:05,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:05,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:05,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:05,803 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 03:23:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 181 states and 241 transitions. [2023-11-19 03:23:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 241 transitions. [2023-11-19 03:23:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:23:06,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:06,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:06,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:06,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 182 states and 243 transitions. [2023-11-19 03:23:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 243 transitions. [2023-11-19 03:23:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:23:07,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:07,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:07,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2023-11-19 03:23:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-11-19 03:23:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:23:07,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:23:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 185 states and 243 transitions. [2023-11-19 03:23:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 243 transitions. [2023-11-19 03:23:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:23:08,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:09,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:23:09,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:19,285 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 03:23:29,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:36,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 204 states and 265 transitions. [2023-11-19 03:23:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 265 transitions. [2023-11-19 03:23:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:23:36,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:36,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:36,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:23:36,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 199 states and 258 transitions. [2023-11-19 03:23:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 258 transitions. [2023-11-19 03:23:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:23:37,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:37,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:23:37,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 204 states and 264 transitions. [2023-11-19 03:23:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 264 transitions. [2023-11-19 03:23:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:23:38,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:23:38,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.