./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9 --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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:28:07,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:28:07,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:28:07,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:28:07,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:28:07,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:28:07,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:28:07,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:28:07,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:28:07,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:28:07,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:28:07,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:28:07,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:28:07,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:28:07,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:28:07,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:28:07,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:28:07,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:28:07,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:28:07,994 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:28:07,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:28:07,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:28:07,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:28:07,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:28:07,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:28:07,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:28:07,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:28:07,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:28:07,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:28:07,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:28:07,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:28:07,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:28:07,999 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:28:08,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:28:08,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:28:08,000 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_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-12-03 00:28:08,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:28:08,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:28:08,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:28:08,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:28:08,219 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:28:08,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 00:28:10,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:28:11,253 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:28:11,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 00:28:11,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data/f2edd5893/5136061306b4425488f5c62a75ee9fdb/FLAGa2b9513ba [2023-12-03 00:28:11,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data/f2edd5893/5136061306b4425488f5c62a75ee9fdb [2023-12-03 00:28:11,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:28:11,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:28:11,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:28:11,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:28:11,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:28:11,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:11,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796ca28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11, skipping insertion in model container [2023-12-03 00:28:11,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:11,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:28:11,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:28:11,808 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:28:11,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:28:11,922 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:28:11,930 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:28:11,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11 WrapperNode [2023-12-03 00:28:11,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:28:11,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:28:11,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:28:11,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:28:11,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:11,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,028 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-12-03 00:28:12,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:28:12,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:28:12,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:28:12,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:28:12,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:28:12,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:28:12,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:28:12,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:28:12,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:11" (1/1) ... [2023-12-03 00:28:12,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:28:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:28:12,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:28:12,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:28:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 00:28:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 00:28:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:28:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:28:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:28:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:28:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:28:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:28:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 00:28:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 00:28:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:28:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:28:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:28:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:28:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:28:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:28:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:28:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:28:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:28:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:28:12,443 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:28:12,446 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:28:13,709 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:28:15,216 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:28:15,216 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-12-03 00:28:15,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:28:15 BoogieIcfgContainer [2023-12-03 00:28:15,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:28:15,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:28:15,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:28:15,229 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:28:15,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:28:15" (1/1) ... [2023-12-03 00:28:15,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:28:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2023-12-03 00:28:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2023-12-03 00:28:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:28:15,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:15,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:15,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:28:15,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:15,547 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 [2023-12-03 00:28:15,594 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:28:15,595 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 00:28:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:28:15,603 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 [2023-12-03 00:28:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-12-03 00:28:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-12-03 00:28:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:28:15,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:15,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:15,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:28:15,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:15,784 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 [2023-12-03 00:28:15,807 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:28:15,808 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 00:28:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:28:15,814 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 [2023-12-03 00:28:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2023-12-03 00:28:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2023-12-03 00:28:15,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:15,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:15,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:28:15,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 176 states and 288 transitions. [2023-12-03 00:28:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 288 transitions. [2023-12-03 00:28:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:28:15,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 176 states and 282 transitions. [2023-12-03 00:28:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 282 transitions. [2023-12-03 00:28:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:28:16,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:16,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:16,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:28:16,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 176 states and 278 transitions. [2023-12-03 00:28:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 278 transitions. [2023-12-03 00:28:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:28:16,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:16,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:28:16,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 176 states and 272 transitions. [2023-12-03 00:28:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2023-12-03 00:28:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:28:16,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:16,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:16,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:28:16,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:26,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 176 states and 266 transitions. [2023-12-03 00:28:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 266 transitions. [2023-12-03 00:28:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:28:26,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:26,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:26,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:37,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:47,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:28:57,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:07,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 209 states and 309 transitions. [2023-12-03 00:29:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 309 transitions. [2023-12-03 00:29:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:29:07,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:07,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:08,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:29:08,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 209 states and 307 transitions. [2023-12-03 00:29:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 307 transitions. [2023-12-03 00:29:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:29:08,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:08,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:08,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:08,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:18,954 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 [] [2023-12-03 00:29:28,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:39,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:49,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 243 states and 352 transitions. [2023-12-03 00:29:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 352 transitions. [2023-12-03 00:29:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:29:49,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:49,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:49,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:29:49,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 243 states and 350 transitions. [2023-12-03 00:29:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 350 transitions. [2023-12-03 00:29:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:29:49,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:49,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:29:49,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:59,682 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 [] [2023-12-03 00:29:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 243 states and 348 transitions. [2023-12-03 00:29:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 348 transitions. [2023-12-03 00:29:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:29:59,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:59,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:29:59,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 243 states and 346 transitions. [2023-12-03 00:30:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 346 transitions. [2023-12-03 00:30:00,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:30:00,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:00,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:00,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:00,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:30:10,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:20,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:30,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:40,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:30:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 246 states and 348 transitions. [2023-12-03 00:30:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 348 transitions. [2023-12-03 00:30:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:30:40,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:40,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:40,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:40,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:30:50,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:00,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:10,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:20,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 249 states and 350 transitions. [2023-12-03 00:31:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 350 transitions. [2023-12-03 00:31:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:31:21,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:21,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:21,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:31,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:41,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:52,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:02,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 264 states and 369 transitions. [2023-12-03 00:32:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 369 transitions. [2023-12-03 00:32:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:32:02,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:02,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:02,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:32:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 276 states and 384 transitions. [2023-12-03 00:32:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 384 transitions. [2023-12-03 00:32:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:32:02,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:02,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:02,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:02,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:32:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 288 states and 399 transitions. [2023-12-03 00:32:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 399 transitions. [2023-12-03 00:32:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:32:02,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:02,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:03,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:03,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:32:13,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:23,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:33,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:43,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 291 states and 401 transitions. [2023-12-03 00:32:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 401 transitions. [2023-12-03 00:32:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:43,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:47,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:47,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 293 states and 405 transitions. [2023-12-03 00:32:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 405 transitions. [2023-12-03 00:32:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:32:48,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:48,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:32:58,285 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:32:58,288 INFO L158 Benchmark]: Toolchain (without parser) took 286997.23ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 126.7MB in the beginning and 177.2MB in the end (delta: -50.5MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-12-03 00:32:58,288 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:58,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.51ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 93.7MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:32:58,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.12ms. Allocated memory is still 167.8MB. Free memory was 93.7MB in the beginning and 84.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:32:58,290 INFO L158 Benchmark]: Boogie Preprocessor took 111.77ms. Allocated memory is still 167.8MB. Free memory was 84.7MB in the beginning and 75.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:32:58,290 INFO L158 Benchmark]: RCFGBuilder took 3076.50ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 75.8MB in the beginning and 83.8MB in the end (delta: -8.1MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2023-12-03 00:32:58,291 INFO L158 Benchmark]: CodeCheck took 283067.78ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 83.8MB in the beginning and 177.2MB in the end (delta: -93.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:32:58,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.51ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 93.7MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.12ms. Allocated memory is still 167.8MB. Free memory was 93.7MB in the beginning and 84.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.77ms. Allocated memory is still 167.8MB. Free memory was 84.7MB in the beginning and 75.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3076.50ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 75.8MB in the beginning and 83.8MB in the end (delta: -8.1MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * CodeCheck took 283067.78ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 83.8MB in the beginning and 177.2MB in the end (delta: -93.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:32:58,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9 --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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:00,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:00,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:33:00,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:00,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:00,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:00,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:00,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:00,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:00,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:00,207 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:33:00,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:33:00,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:00,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:00,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:00,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:00,211 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:33:00,211 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:33:00,212 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:33:00,212 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:33:00,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:33:00,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:33:00,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:00,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:00,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:00,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:00,216 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:00,217 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:00,217 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:00,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:00,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:00,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:00,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:00,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:00,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:33:00,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:00,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:00,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:33:00,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:00,220 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-12-03 00:33:00,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:00,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:00,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:00,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:00,539 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:00,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 00:33:03,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:03,546 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:03,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-12-03 00:33:03,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data/0273c77fd/86d8af1abf7d499da0d55ff0352b489a/FLAGc2766074e [2023-12-03 00:33:03,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/data/0273c77fd/86d8af1abf7d499da0d55ff0352b489a [2023-12-03 00:33:03,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:03,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:03,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:03,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:03,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:03,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:03" (1/1) ... [2023-12-03 00:33:03,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277c12f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:03, skipping insertion in model container [2023-12-03 00:33:03,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:03" (1/1) ... [2023-12-03 00:33:03,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:04,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:04,151 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:33:04,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:04,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:04,247 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:04,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:04,371 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:33:04,378 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:04,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04 WrapperNode [2023-12-03 00:33:04,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:04,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:04,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:04,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:04,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,477 INFO L138 Inliner]: procedures = 180, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1008 [2023-12-03 00:33:04,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:04,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:04,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:04,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:04,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:04,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:04,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:04,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:04,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:04" (1/1) ... [2023-12-03 00:33:04,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:04,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:04,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:04,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 00:33:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 00:33:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:33:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:33:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:33:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:33:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:33:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:33:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-12-03 00:33:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-12-03 00:33:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:33:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:33:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:33:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:33:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:33:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:33:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:33:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:33:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:04,860 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:04,863 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:18,915 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:19,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:19,321 INFO L309 CfgBuilder]: Removed 62 assume(true) statements. [2023-12-03 00:33:19,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:19 BoogieIcfgContainer [2023-12-03 00:33:19,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:19,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:19,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:19,334 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:19,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:19" (1/1) ... [2023-12-03 00:33:19,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2023-12-03 00:33:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2023-12-03 00:33:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:33:19,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:19,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:19,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:19,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:19,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89594592-3689-4188-b05e-295bc50b89f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process