./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.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_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/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_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/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_54d395bb-03d2-4cd4-b051-5f3e382c7809/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 f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:40,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:40,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:50:40,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:40,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:40,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:40,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:40,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:40,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:40,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:40,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:40,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:40,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:40,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:40,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:40,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:40,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:40,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:40,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:40,189 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:50:40,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:40,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:40,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:40,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:40,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:40,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:40,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:40,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:40,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:40,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:40,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:40,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:40,198 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:40,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:40,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:40,198 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_54d395bb-03d2-4cd4-b051-5f3e382c7809/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2023-11-19 02:50:40,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:40,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:40,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:40,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:40,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:40,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-11-19 02:50:43,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:44,138 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:44,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-11-19 02:50:44,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/data/70072a3f4/b46f347e3bae4869ba6e101a98bc1ad5/FLAG92f955859 [2023-11-19 02:50:44,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/data/70072a3f4/b46f347e3bae4869ba6e101a98bc1ad5 [2023-11-19 02:50:44,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:44,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:44,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:44,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:44,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:44,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:44" (1/1) ... [2023-11-19 02:50:44,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f91241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:44, skipping insertion in model container [2023-11-19 02:50:44,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:44" (1/1) ... [2023-11-19 02:50:44,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:44,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:44,944 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:45,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:45,203 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:45,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:45,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45 WrapperNode [2023-11-19 02:50:45,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:45,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:45,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:45,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:45,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,369 INFO L138 Inliner]: procedures = 177, calls = 287, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1367 [2023-11-19 02:50:45,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:45,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:45,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:45,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:45,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:45,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:45,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:45,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:45,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:45,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:45,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:45,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54d395bb-03d2-4cd4-b051-5f3e382c7809/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:50:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:50:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:50:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:50:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:50:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:50:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:50:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:50:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:50:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:45,932 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:45,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:47,734 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:49,417 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:49,417 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:50:49,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:49 BoogieIcfgContainer [2023-11-19 02:50:49,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:49,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:49,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:49,439 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:49,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:49" (1/1) ... [2023-11-19 02:50:49,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-11-19 02:50:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-11-19 02:50:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:49,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:49,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:50:49,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:49,867 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 02:50:49,880 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 02:50:49,939 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:50:49,944 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:50:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:50:49,957 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 02:50:49,968 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 02:50:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-19 02:50:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-19 02:50:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:50:50,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,171 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 02:50:50,177 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 02:50:50,211 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:50:50,211 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:50:50,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:50:50,218 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 02:50:50,225 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 02:50:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 151 states and 245 transitions. [2023-11-19 02:50:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2023-11-19 02:50:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:50,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,308 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 02:50:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 151 states and 244 transitions. [2023-11-19 02:50:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 244 transitions. [2023-11-19 02:50:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:50,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,408 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 02:50:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 151 states and 242 transitions. [2023-11-19 02:50:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2023-11-19 02:50:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:50:50,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,638 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 02:50:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 151 states and 241 transitions. [2023-11-19 02:50:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 241 transitions. [2023-11-19 02:50:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:50:50,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,844 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 02:50:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 151 states and 237 transitions. [2023-11-19 02:50:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 237 transitions. [2023-11-19 02:50:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:50:50,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,969 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 02:50:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 151 states and 231 transitions. [2023-11-19 02:50:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 231 transitions. [2023-11-19 02:50:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:50:50,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:51,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:51,218 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 02:50:55,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:50:55,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 151 states and 225 transitions. [2023-11-19 02:50:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2023-11-19 02:50:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:50:55,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:50:55,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:06,569 WARN L539 Checker$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 02:51:16,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:51:26,591 WARN L539 Checker$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 02:51:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 151 states and 221 transitions. [2023-11-19 02:51:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 221 transitions. [2023-11-19 02:51:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:51:26,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:26,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:26,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:26,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:26,943 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 02:51:36,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:51:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 151 states and 219 transitions. [2023-11-19 02:51:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2023-11-19 02:51:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:51:36,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:37,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:37,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:51:47,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []