./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/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_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/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_94a99c93-be2a-4e65-9168-653c21f50bef/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 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:17,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:18,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:52:18,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:18,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:18,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:18,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:18,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:18,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:18,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:18,059 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:18,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:18,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:18,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:18,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:18,062 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:52:18,063 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:52:18,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:18,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:18,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:52:18,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:18,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:18,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:18,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:18,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:18,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:18,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:18,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:18,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:18,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:18,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:18,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:18,071 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_94a99c93-be2a-4e65-9168-653c21f50bef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2023-11-19 02:52:18,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:18,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:18,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:18,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:18,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:18,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2023-11-19 02:52:21,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:22,142 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:22,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2023-11-19 02:52:22,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/data/ff0315cd1/34dafefe2a6e40c79636866319ad8b81/FLAG6c2d989b8 [2023-11-19 02:52:22,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/data/ff0315cd1/34dafefe2a6e40c79636866319ad8b81 [2023-11-19 02:52:22,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:22,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:22,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:22,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:22,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:22,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:22" (1/1) ... [2023-11-19 02:52:22,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d282735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:22, skipping insertion in model container [2023-11-19 02:52:22,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:22" (1/1) ... [2023-11-19 02:52:22,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:23,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:23,252 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:23,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:23,526 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:23,535 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:23,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23 WrapperNode [2023-11-19 02:52:23,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:23,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:23,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:23,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:23,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,691 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1515 [2023-11-19 02:52:23,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:23,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:23,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:23,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:23,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:23,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:23,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:23,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:23,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:23" (1/1) ... [2023-11-19 02:52:23,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:24,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:24,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a99c93-be2a-4e65-9168-653c21f50bef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:52:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:52:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:52:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:52:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:24,427 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:24,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:26,473 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:28,708 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:28,708 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:52:28,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:28 BoogieIcfgContainer [2023-11-19 02:52:28,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:28,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:28,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:28,729 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:28,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:28" (1/1) ... [2023-11-19 02:52:28,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:28,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-11-19 02:52:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-11-19 02:52:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:28,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-11-19 02:52:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-11-19 02:52:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:29,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-11-19 02:52:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-11-19 02:52:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:29,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:29,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:29,538 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 02:52:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-11-19 02:52:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-11-19 02:52:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:52:29,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:29,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:29,728 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 02:52:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-11-19 02:52:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-11-19 02:52:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:29,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:29,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:29,957 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 02:52:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-11-19 02:52:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-11-19 02:52:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:52:29,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:30,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:30,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:30,307 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 02:52:33,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2023-11-19 02:52:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-11-19 02:52:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:52:33,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:33,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:33,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:52:33,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:44,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:49,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2023-11-19 02:52:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2023-11-19 02:52:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:52:49,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:49,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:49,379 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 02:52:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-11-19 02:52:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-11-19 02:52:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:52:49,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:49,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:49,678 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 02:52:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-11-19 02:52:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-11-19 02:52:49,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:52:49,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:49,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:59,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 146 states and 217 transitions. [2023-11-19 02:52:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 217 transitions. [2023-11-19 02:52:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:52:59,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:53:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 149 states and 219 transitions. [2023-11-19 02:53:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-11-19 02:53:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:01,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:01,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:01,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:01,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:53:01,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 02:53:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2023-11-19 02:53:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2023-11-19 02:53:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:53:01,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:02,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 150 states and 217 transitions. [2023-11-19 02:53:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 217 transitions. [2023-11-19 02:53:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:53:02,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:02,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 213 transitions. [2023-11-19 02:53:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 213 transitions. [2023-11-19 02:53:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:53:02,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:02,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:02,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 150 states and 211 transitions. [2023-11-19 02:53:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 211 transitions. [2023-11-19 02:53:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:53:02,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:03,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:13,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 150 states and 209 transitions. [2023-11-19 02:53:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 209 transitions. [2023-11-19 02:53:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:53:13,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:13,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:13,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.