./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.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_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/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_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/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_2de212e8-b8c5-47ca-a258-3c0bdf358b21/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 ce6a3162e09155ad765d255c42023f1cbec9d995c66c63f43c14fadd8640484e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:35,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:35,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:41:35,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:35,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:35,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:35,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:35,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:35,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:35,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:35,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:35,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:35,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:35,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:35,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:35,381 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:41:35,382 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:41:35,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:35,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:35,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:41:35,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:35,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:35,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:35,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:35,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:35,387 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:35,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:35,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:35,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:35,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:35,390 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:35,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:35,390 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_2de212e8-b8c5-47ca-a258-3c0bdf358b21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6a3162e09155ad765d255c42023f1cbec9d995c66c63f43c14fadd8640484e [2023-11-19 02:41:35,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:35,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:35,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:35,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:35,728 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:35,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i [2023-11-19 02:41:38,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:39,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:39,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test10-1.i [2023-11-19 02:41:39,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/data/eb95548d5/8d739074cf534d82bc50f5286ffeb859/FLAG2d5271dbc [2023-11-19 02:41:39,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/data/eb95548d5/8d739074cf534d82bc50f5286ffeb859 [2023-11-19 02:41:39,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:39,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:39,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:39,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:39,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:39,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:39" (1/1) ... [2023-11-19 02:41:39,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f46e951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:39, skipping insertion in model container [2023-11-19 02:41:39,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:39" (1/1) ... [2023-11-19 02:41:39,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:40,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:40,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:40,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:40,373 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:41:40,381 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:40,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40 WrapperNode [2023-11-19 02:41:40,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:40,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:40,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:40,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:40,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,592 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 17, calls inlined = 44, statements flattened = 3348 [2023-11-19 02:41:40,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:40,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:40,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:40,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:40,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:40,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:40,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:40,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:40,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:40" (1/1) ... [2023-11-19 02:41:40,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:40,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:40,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:40,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de212e8-b8c5-47ca-a258-3c0bdf358b21/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:41:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:41:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:41:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:41:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:41:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:41:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:41:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:41:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:41,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:41,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:44,462 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:49,027 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:49,027 INFO L302 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-19 02:41:49,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:49 BoogieIcfgContainer [2023-11-19 02:41:49,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:49,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:49,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:49,053 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:49,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:49" (1/1) ... [2023-11-19 02:41:49,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 355 states and 593 transitions. [2023-11-19 02:41:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 593 transitions. [2023-11-19 02:41:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:41:49,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,330 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 02:41:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 354 states and 587 transitions. [2023-11-19 02:41:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2023-11-19 02:41:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:41:49,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,443 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 02:41:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 354 states and 583 transitions. [2023-11-19 02:41:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 583 transitions. [2023-11-19 02:41:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:41:49,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,731 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 02:41:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 356 states and 584 transitions. [2023-11-19 02:41:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 584 transitions. [2023-11-19 02:41:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:41:49,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:49,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:49,980 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 02:41:54,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 356 states and 579 transitions. [2023-11-19 02:41:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-11-19 02:41:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:41:54,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:54,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:54,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:54,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:54,652 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 02:41:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 356 states and 575 transitions. [2023-11-19 02:41:54,673 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 575 transitions. [2023-11-19 02:41:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:41:54,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:54,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:54,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:55,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:55,011 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 02:41:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 356 states and 569 transitions. [2023-11-19 02:41:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 569 transitions. [2023-11-19 02:41:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:41:55,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:55,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:55,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:55,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:55,302 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 02:42:05,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2023-11-19 02:42:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2023-11-19 02:42:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:42:05,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:05,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:05,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:42:05,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:05,822 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 02:42:16,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:26,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:31,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 362 states and 572 transitions. [2023-11-19 02:42:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 572 transitions. [2023-11-19 02:42:31,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:42:31,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:31,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:32,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:32,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:32,121 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 02:42:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 362 states and 570 transitions. [2023-11-19 02:42:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 570 transitions. [2023-11-19 02:42:32,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:42:32,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:32,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:32,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:32,416 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 02:42:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 362 states and 568 transitions. [2023-11-19 02:42:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 568 transitions. [2023-11-19 02:42:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:42:32,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:32,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:32,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:42:32,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:32,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 02:42:32,932 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 02:42:32,989 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:42:32,991 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:42:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:42:32,999 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 02:42:33,025 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 02:42:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 365 states and 574 transitions. [2023-11-19 02:42:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 574 transitions. [2023-11-19 02:42:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:42:33,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:33,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:33,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:33,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:33,871 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 02:42:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 365 states and 569 transitions. [2023-11-19 02:42:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 569 transitions. [2023-11-19 02:42:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:42:33,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:34,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:34,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:34,236 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 02:42:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 365 states and 563 transitions. [2023-11-19 02:42:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 563 transitions. [2023-11-19 02:42:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:42:34,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:34,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:34,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:34,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:34,782 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 02:42:38,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 365 states and 557 transitions. [2023-11-19 02:42:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 557 transitions. [2023-11-19 02:42:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 02:42:38,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:38,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:38,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:42:38,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.