./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC --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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:03,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:03,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:56:03,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:03,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:03,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:03,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:03,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:03,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:03,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:03,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:03,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:03,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:03,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:03,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:03,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:03,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:03,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:03,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:03,947 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:03,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:03,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:03,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:03,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:03,952 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:03,952 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:03,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:03,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:03,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:03,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:03,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:03,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:03,956 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:03,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:03,957 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:03,957 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_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2023-11-23 19:56:04,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:04,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:04,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:04,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:04,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:04,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2023-11-23 19:56:07,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:08,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:08,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2023-11-23 19:56:08,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/data/a26ec496a/0f522526c64c4ff7bb515c6e0831f166/FLAG40ed3b93a [2023-11-23 19:56:08,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/data/a26ec496a/0f522526c64c4ff7bb515c6e0831f166 [2023-11-23 19:56:08,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:08,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:08,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:08,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:08,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:08,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:08" (1/1) ... [2023-11-23 19:56:08,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41746a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:08, skipping insertion in model container [2023-11-23 19:56:08,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:08" (1/1) ... [2023-11-23 19:56:08,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:09,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:09,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:09,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:09,295 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:09,306 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:09,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09 WrapperNode [2023-11-23 19:56:09,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:09,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:09,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:09,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:09,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,517 INFO L138 Inliner]: procedures = 177, calls = 287, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1367 [2023-11-23 19:56:09,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:09,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:09,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:09,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:09,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:09,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:09,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:09,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:09,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:09" (1/1) ... [2023-11-23 19:56:09,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:09,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:09,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:09,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e5d50-06eb-40ac-98dc-51f9e2f26223/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 19:56:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 19:56:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 19:56:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:56:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:56:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:56:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 19:56:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 19:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 19:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 19:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 19:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 19:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:10,071 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:10,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:11,766 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:13,397 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:13,398 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 19:56:13,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:13 BoogieIcfgContainer [2023-11-23 19:56:13,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:13,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:13,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:13,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:13,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:13" (1/1) ... [2023-11-23 19:56:13,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-11-23 19:56:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-11-23 19:56:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:56:13,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:13,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:13,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 19:56:13,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:13,858 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 [2023-11-23 19:56:13,874 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 [2023-11-23 19:56:13,950 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 19:56:13,952 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 19:56:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 19:56:13,961 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 [2023-11-23 19:56:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-23 19:56:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-23 19:56:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:56:14,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 19:56:14,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:14,155 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 [2023-11-23 19:56:14,162 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 [2023-11-23 19:56:14,219 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 19:56:14,220 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 19:56:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 19:56:14,230 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 [2023-11-23 19:56:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 151 states and 245 transitions. [2023-11-23 19:56:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2023-11-23 19:56:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:14,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 151 states and 244 transitions. [2023-11-23 19:56:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 244 transitions. [2023-11-23 19:56:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:14,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:14,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 151 states and 242 transitions. [2023-11-23 19:56:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2023-11-23 19:56:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:14,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 151 states and 241 transitions. [2023-11-23 19:56:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 241 transitions. [2023-11-23 19:56:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 19:56:14,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:14,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:14,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 151 states and 237 transitions. [2023-11-23 19:56:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 237 transitions. [2023-11-23 19:56:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:56:14,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:14,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:15,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:15,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:15,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 151 states and 231 transitions. [2023-11-23 19:56:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 231 transitions. [2023-11-23 19:56:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:56:15,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:15,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:15,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:15,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:25,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:56:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 151 states and 225 transitions. [2023-11-23 19:56:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2023-11-23 19:56:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:56:25,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:25,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:56:25,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:25,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:36,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:56:46,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:56:55,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:56:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 166 states and 243 transitions. [2023-11-23 19:56:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 243 transitions. [2023-11-23 19:56:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:56:55,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:55,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:55,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:55,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2023-11-23 19:56:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2023-11-23 19:56:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:56:55,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:55,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:55,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 166 states and 239 transitions. [2023-11-23 19:56:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions. [2023-11-23 19:56:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 19:56:55,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:56,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:56:56,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:56:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:06,062 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 [] [2023-11-23 19:57:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 166 states and 237 transitions. [2023-11-23 19:57:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2023-11-23 19:57:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:57:06,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:06,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:06,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:57:06,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.