./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/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_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/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_f3a25318-f112-4f5f-b234-73c8513b9bd9/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 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:50,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:50,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:46:50,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:50,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:50,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:50,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:50,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:50,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:50,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:50,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:50,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:50,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:50,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:50,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:50,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:50,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:50,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:50,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:50,217 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:46:50,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:46:50,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:50,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:50,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:50,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:50,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:50,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:50,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:50,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:50,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:50,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:50,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:50,225 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:50,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:50,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:50,226 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_f3a25318-f112-4f5f-b234-73c8513b9bd9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58fb5e591c63ebc056bfb6417ddf45efba9827c2f78526eb3c8a68d018ffd43a [2023-11-19 02:46:50,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:50,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:50,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:50,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:50,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:50,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-11-19 02:46:53,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:54,115 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:54,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-1.i [2023-11-19 02:46:54,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/data/e6b14ecfc/8c3352a2442b412c9fbff67c18243d51/FLAG8d852fbb6 [2023-11-19 02:46:54,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/data/e6b14ecfc/8c3352a2442b412c9fbff67c18243d51 [2023-11-19 02:46:54,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:54,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:54,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:54,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:54,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:54,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:54" (1/1) ... [2023-11-19 02:46:54,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e295e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:54, skipping insertion in model container [2023-11-19 02:46:54,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:54" (1/1) ... [2023-11-19 02:46:54,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:54,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:54,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:54,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:54,995 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:55,003 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:55,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55 WrapperNode [2023-11-19 02:46:55,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:55,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:55,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:55,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:55,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,164 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-19 02:46:55,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:55,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:55,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:55,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:55,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:55,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:55,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:55,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:55,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:55" (1/1) ... [2023-11-19 02:46:55,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:55,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:55,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:55,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a25318-f112-4f5f-b234-73c8513b9bd9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:46:55,436 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:46:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:46:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:46:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:46:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-19 02:46:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-19 02:46:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:46:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:46:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:46:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:46:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:46:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:46:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:55,779 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:55,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:57,467 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:59,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:59,261 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 02:46:59,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:59 BoogieIcfgContainer [2023-11-19 02:46:59,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:59,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:59,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:59,278 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:59,279 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:59" (1/1) ... [2023-11-19 02:46:59,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2023-11-19 02:46:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2023-11-19 02:46:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:46:59,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:59,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:59,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:59,652 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 02:46:59,728 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:46:59,730 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:46:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:46:59,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 02:46:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-11-19 02:46:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-11-19 02:46:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:46:59,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:59,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:59,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:59,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 02:46:59,979 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 02:47:00,046 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:47:00,047 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:47:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:47:00,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 02:47:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 178 states and 294 transitions. [2023-11-19 02:47:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 294 transitions. [2023-11-19 02:47:00,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:47:00,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:00,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:00,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-11-19 02:47:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-11-19 02:47:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:47:00,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 178 states and 286 transitions. [2023-11-19 02:47:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2023-11-19 02:47:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:47:00,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:00,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:00,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:00,829 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 02:47:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 178 states and 282 transitions. [2023-11-19 02:47:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 282 transitions. [2023-11-19 02:47:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:47:00,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:00,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:00,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 178 states and 276 transitions. [2023-11-19 02:47:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 276 transitions. [2023-11-19 02:47:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:47:00,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:01,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:01,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:01,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:02,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:02,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:02,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 178 states and 270 transitions. [2023-11-19 02:47:02,451 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 270 transitions. [2023-11-19 02:47:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:47:02,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:02,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:02,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:47:02,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:13,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:23,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:25,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 314 transitions. [2023-11-19 02:47:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 314 transitions. [2023-11-19 02:47:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:47:25,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:25,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:25,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:25,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 211 states and 312 transitions. [2023-11-19 02:47:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 312 transitions. [2023-11-19 02:47:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:47:25,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:25,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:25,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:47:25,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:36,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:46,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:56,775 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 []