./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/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_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:39,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:39,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:01:39,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:39,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:39,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:39,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:39,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:39,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:39,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:39,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:39,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:39,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:39,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:39,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:39,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:39,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:39,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:39,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:39,968 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:39,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:39,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:39,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:39,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:39,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:39,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:39,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:39,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:39,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:39,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:39,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:39,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:39,979 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:39,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:39,979 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:39,980 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_52f7c8df-846c-4459-99c1-f374a9d94f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2023-11-19 04:01:40,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:40,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:40,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:40,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:40,373 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:40,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 04:01:44,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:44,601 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:44,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2023-11-19 04:01:44,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/data/1cec59a34/578edecc14584855a788ed7df9352663/FLAGaeffb7228 [2023-11-19 04:01:44,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/data/1cec59a34/578edecc14584855a788ed7df9352663 [2023-11-19 04:01:44,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:44,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:44,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:44,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:44,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:44,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:44" (1/1) ... [2023-11-19 04:01:44,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218a4d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:44, skipping insertion in model container [2023-11-19 04:01:44,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:44" (1/1) ... [2023-11-19 04:01:44,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:46,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:46,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:46,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:46,354 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:46,365 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:46,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46 WrapperNode [2023-11-19 04:01:46,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:46,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:46,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:46,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:46,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,637 INFO L138 Inliner]: procedures = 177, calls = 732, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3195 [2023-11-19 04:01:46,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:46,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:46,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:46,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:46,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:46,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:46,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:46,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:46,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:47,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:47,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f7c8df-846c-4459-99c1-f374a9d94f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 04:01:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 04:01:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:01:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:01:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:01:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:01:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:01:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:47,368 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:47,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:51,364 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:53,816 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:53,817 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 04:01:53,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:53 BoogieIcfgContainer [2023-11-19 04:01:53,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:53,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:53,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:53,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:53,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:53" (1/1) ... [2023-11-19 04:01:53,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1122 states and 2193 transitions. [2023-11-19 04:01:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2193 transitions. [2023-11-19 04:01:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:53,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:53,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,341 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 04:01:54,356 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 11 treesize of output 7 [2023-11-19 04:01:54,437 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:01:54,441 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 04:01:54,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:01:54,452 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 04:01:54,465 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 04:01:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1125 states and 2198 transitions. [2023-11-19 04:01:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2198 transitions. [2023-11-19 04:01:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:54,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,684 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 04:01:54,691 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 11 treesize of output 7 [2023-11-19 04:01:54,734 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:01:54,736 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 04:01:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:01:54,745 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 22 treesize of output 10 [2023-11-19 04:01:54,778 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 04:01:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1126 states and 2199 transitions. [2023-11-19 04:01:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2199 transitions. [2023-11-19 04:01:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:54,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:54,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:54,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,980 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 04:01:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1126 states and 2197 transitions. [2023-11-19 04:01:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2197 transitions. [2023-11-19 04:01:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:01:55,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,375 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 04:01:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1126 states and 2193 transitions. [2023-11-19 04:01:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2193 transitions. [2023-11-19 04:01:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:55,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:55,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:55,651 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 04:01:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1126 states and 2189 transitions. [2023-11-19 04:01:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2189 transitions. [2023-11-19 04:01:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:55,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:55,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:55,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:55,813 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 04:01:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1126 states and 2183 transitions. [2023-11-19 04:01:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2183 transitions. [2023-11-19 04:01:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:55,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:55,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:56,066 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 04:01:58,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1126 states and 2177 transitions. [2023-11-19 04:01:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2177 transitions. [2023-11-19 04:01:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:58,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:58,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:59,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:59,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:09,710 WARN L539 Checker$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 04:02:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1141 states and 2195 transitions. [2023-11-19 04:02:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2195 transitions. [2023-11-19 04:02:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:02:10,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:10,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:10,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:10,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:10,927 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 04:02:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1141 states and 2193 transitions. [2023-11-19 04:02:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2193 transitions. [2023-11-19 04:02:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:02:10,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:10,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:11,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:11,202 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 04:02:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1141 states and 2191 transitions. [2023-11-19 04:02:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2191 transitions. [2023-11-19 04:02:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:02:11,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:02:11,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:21,554 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 04:02:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1139 states and 2185 transitions. [2023-11-19 04:02:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2185 transitions. [2023-11-19 04:02:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:02:21,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:21,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:27,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:02:27,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:27,300 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 04:02:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1141 states and 2189 transitions. [2023-11-19 04:02:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2189 transitions. [2023-11-19 04:02:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:27,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:28,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:02:28,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:02:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1141 states and 2189 transitions. [2023-11-19 04:02:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2189 transitions. [2023-11-19 04:02:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:28,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:28,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:38,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 0 conjunts are in the unsatisfiable core [2023-11-19 04:02:38,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:02:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1141 states and 2189 transitions. [2023-11-19 04:02:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2189 transitions. [2023-11-19 04:02:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:38,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms