./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.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_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/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_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/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_61df3999-c92a-4b83-a566-8b83910dc70c/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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:39,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:39,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:36:39,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:36:39,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:36:39,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:39,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:39,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:39,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:39,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:36:39,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:36:39,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:36:39,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:36:39,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:39,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:36:39,201 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:36:39,201 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:36:39,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:39,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:36:39,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:36:39,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:36:39,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:36:39,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:39,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:39,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:39,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:39,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:39,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:39,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:39,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:39,208 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:36:39,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:36:39,209 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_61df3999-c92a-4b83-a566-8b83910dc70c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2023-11-19 03:36:39,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:39,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:39,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:39,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:39,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:39,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2023-11-19 03:36:42,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:36:42,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:36:42,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2023-11-19 03:36:42,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/data/b9087cf08/ac05a60a22ae47958c7311312174b96d/FLAG4b8e26851 [2023-11-19 03:36:42,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/data/b9087cf08/ac05a60a22ae47958c7311312174b96d [2023-11-19 03:36:42,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:36:42,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:36:42,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:42,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:36:42,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:36:42,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:42" (1/1) ... [2023-11-19 03:36:42,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a4c2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:42, skipping insertion in model container [2023-11-19 03:36:42,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:42" (1/1) ... [2023-11-19 03:36:43,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:36:43,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:43,539 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:36:43,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:43,712 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:43,720 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:36:43,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43 WrapperNode [2023-11-19 03:36:43,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:43,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:43,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:36:43,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:36:43,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,893 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1350 [2023-11-19 03:36:43,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:43,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:36:43,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:36:43,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:36:43,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:43,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:44,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:44,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:36:44,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:36:44,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:36:44,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:36:44,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:43" (1/1) ... [2023-11-19 03:36:44,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:44,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:36:44,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:36:44,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61df3999-c92a-4b83-a566-8b83910dc70c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:36:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:36:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:36:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:36:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:36:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:36:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:36:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:36:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:36:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:36:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:36:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:36:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:36:44,327 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:36:44,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:36:45,879 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:36:47,750 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:36:47,750 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:36:47,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:47 BoogieIcfgContainer [2023-11-19 03:36:47,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:36:47,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:36:47,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:36:47,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:36:47,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:47" (1/1) ... [2023-11-19 03:36:47,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:36:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-19 03:36:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-19 03:36:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:36:47,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:48,078 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 03:36:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-19 03:36:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-19 03:36:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:36:48,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:48,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:48,315 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 03:36:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2023-11-19 03:36:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2023-11-19 03:36:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:36:48,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:48,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:48,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:48,528 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 03:36:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-19 03:36:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-19 03:36:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:36:48,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:48,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:48,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:48,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:48,694 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 03:36:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 194 transitions. [2023-11-19 03:36:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2023-11-19 03:36:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:36:48,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:48,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:48,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:48,826 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 03:36:48,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:48,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2023-11-19 03:36:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-19 03:36:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:36:48,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:48,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:49,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:49,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:49,071 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 03:36:53,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:36:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2023-11-19 03:36:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-19 03:36:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:36:53,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:53,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:53,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:36:53,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:37:03,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-19 03:37:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-19 03:37:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:37:04,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:04,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:04,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:04,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:04,234 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 03:37:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2023-11-19 03:37:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-11-19 03:37:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:37:04,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:04,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:04,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:04,455 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 03:37:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 131 states and 193 transitions. [2023-11-19 03:37:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-19 03:37:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:37:04,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:04,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:04,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:04,784 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 03:37:14,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 131 states and 191 transitions. [2023-11-19 03:37:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2023-11-19 03:37:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:37:14,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:14,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:15,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:37:15,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:37:25,184 WARN L539 Checker$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 03:37:28,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:37:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2023-11-19 03:37:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2023-11-19 03:37:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:37:28,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:28,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:28,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:37:28,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:28,540 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 03:37:28,563 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 03:37:28,584 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 03:37:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 134 states and 193 transitions. [2023-11-19 03:37:28,708 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 193 transitions. [2023-11-19 03:37:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:37:28,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:28,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:28,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:28,972 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 03:37:28,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:28,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 133 states and 188 transitions. [2023-11-19 03:37:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 188 transitions. [2023-11-19 03:37:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:37:28,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:28,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:29,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:29,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:29,255 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 03:37:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 133 states and 184 transitions. [2023-11-19 03:37:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 184 transitions. [2023-11-19 03:37:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:37:29,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:29,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:29,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:29,575 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 03:37:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 133 states and 182 transitions. [2023-11-19 03:37:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 182 transitions. [2023-11-19 03:37:29,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:37:29,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:29,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:29,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:37:29,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:29,867 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 03:37:39,889 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 03:37:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 133 states and 180 transitions. [2023-11-19 03:37:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 180 transitions. [2023-11-19 03:37:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:37:39,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:40,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:37:40,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:37:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.