./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_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_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/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_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/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_36018fb6-a6cd-43e2-b2b7-610a51051837/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 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:36,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:36,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:58:36,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:36,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:36,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:36,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:36,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:36,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:36,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:36,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:36,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:36,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:36,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:36,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:36,372 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:58:36,372 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:58:36,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:36,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:36,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:36,374 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:36,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:36,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:36,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:36,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:36,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:36,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:36,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:36,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:36,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:36,380 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:36,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:36,381 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_36018fb6-a6cd-43e2-b2b7-610a51051837/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 [2023-11-19 03:58:36,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:36,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:36,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:36,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:36,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:36,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-11-19 03:58:39,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:40,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:40,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-11-19 03:58:40,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/data/803eaa029/3d44ef0db941423f9487a26acfa712b2/FLAG5e84303f8 [2023-11-19 03:58:40,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/data/803eaa029/3d44ef0db941423f9487a26acfa712b2 [2023-11-19 03:58:40,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:40,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:40,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:40,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:40,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:40,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:40" (1/1) ... [2023-11-19 03:58:40,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d21bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:40, skipping insertion in model container [2023-11-19 03:58:40,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:40" (1/1) ... [2023-11-19 03:58:40,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:41,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:41,182 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:41,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:41,401 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:41,411 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:41,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41 WrapperNode [2023-11-19 03:58:41,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:41,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:41,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:41,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:41,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,699 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 17, calls inlined = 44, statements flattened = 3348 [2023-11-19 03:58:41,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:41,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:41,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:41,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:41,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:41,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:41,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:41,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:41,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:41,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:41,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36018fb6-a6cd-43e2-b2b7-610a51051837/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:58:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:58:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:58:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:42,378 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:42,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:45,373 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:50,305 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:50,306 INFO L302 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-19 03:58:50,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:50 BoogieIcfgContainer [2023-11-19 03:58:50,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:50,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:50,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:50,334 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:50,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:50" (1/1) ... [2023-11-19 03:58:50,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 355 states and 593 transitions. [2023-11-19 03:58:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 593 transitions. [2023-11-19 03:58:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:50,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:50,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:50,712 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 03:58:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 354 states and 587 transitions. [2023-11-19 03:58:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2023-11-19 03:58:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:58:50,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:50,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:50,829 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 03:58:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 354 states and 583 transitions. [2023-11-19 03:58:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 583 transitions. [2023-11-19 03:58:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:58:50,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:51,055 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 03:58:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 356 states and 584 transitions. [2023-11-19 03:58:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 584 transitions. [2023-11-19 03:58:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:58:51,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:51,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:51,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:51,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:51,371 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 03:58:56,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:58:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 356 states and 579 transitions. [2023-11-19 03:58:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-11-19 03:58:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:58:56,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:56,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:56,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:56,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:56,807 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 03:58:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 356 states and 575 transitions. [2023-11-19 03:58:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 575 transitions. [2023-11-19 03:58:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:56,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:57,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:57,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:57,041 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 03:58:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:57,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 356 states and 569 transitions. [2023-11-19 03:58:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 569 transitions. [2023-11-19 03:58:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:58:57,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:57,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:57,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:57,360 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 03:59:07,396 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 03:59:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2023-11-19 03:59:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2023-11-19 03:59:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:59:07,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:07,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:07,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:07,899 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 03:59:18,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:59:19,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:59:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 370 states and 581 transitions. [2023-11-19 03:59:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 581 transitions. [2023-11-19 03:59:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:59:19,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:19,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:20,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:20,090 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 03:59:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 370 states and 579 transitions. [2023-11-19 03:59:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 579 transitions. [2023-11-19 03:59:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:59:20,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:20,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:20,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:20,482 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 03:59:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 370 states and 577 transitions. [2023-11-19 03:59:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 577 transitions. [2023-11-19 03:59:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:59:20,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:20,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:20,800 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 03:59:30,817 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 03:59:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 368 states and 571 transitions. [2023-11-19 03:59:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 571 transitions. [2023-11-19 03:59:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:59:30,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:30,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:31,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:31,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:31,120 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 03:59:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:31,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 368 states and 566 transitions. [2023-11-19 03:59:31,131 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 566 transitions. [2023-11-19 03:59:31,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:59:31,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:31,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:31,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:59:31,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:31,542 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 03:59:31,590 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:31,591 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 03:59:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:31,599 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 03:59:31,620 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 03:59:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 371 states and 572 transitions. [2023-11-19 03:59:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 572 transitions. [2023-11-19 03:59:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:59:32,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:32,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:32,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:32,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:32,538 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 03:59:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 371 states and 566 transitions. [2023-11-19 03:59:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 566 transitions. [2023-11-19 03:59:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:59:32,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:32,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:32,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:32,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.