./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV --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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:07,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:07,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:57:07,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:07,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:07,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:07,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:07,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:07,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:07,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:07,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:07,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:07,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:07,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:07,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:07,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:07,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:07,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:07,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:07,531 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:07,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:07,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:07,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:07,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:07,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:07,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:07,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:07,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:07,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:07,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:07,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:07,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:07,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:07,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:07,540 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_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2023-11-11 23:57:07,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:07,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:07,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:07,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:07,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:07,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2023-11-11 23:57:11,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:11,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:11,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2023-11-11 23:57:11,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/data/bcf5880e6/7b6c9f93d43c41d08d6ac434c1a3ed14/FLAGba5b8dfc4 [2023-11-11 23:57:11,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/data/bcf5880e6/7b6c9f93d43c41d08d6ac434c1a3ed14 [2023-11-11 23:57:11,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:11,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:11,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:11,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:11,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:11,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a763322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:11, skipping insertion in model container [2023-11-11 23:57:11,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:11" (1/1) ... [2023-11-11 23:57:11,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:12,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:12,435 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:12,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:12,575 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:12,583 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:12,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12 WrapperNode [2023-11-11 23:57:12,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:12,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:12,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:12,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:12,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,736 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1215 [2023-11-11 23:57:12,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:12,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:12,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:12,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:12,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:12,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:12,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:12,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:12,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:12" (1/1) ... [2023-11-11 23:57:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:12,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:12,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:12,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3585981b-636e-4395-9c23-a1e1d114f2c2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:57:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:57:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:57:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:57:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:57:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:57:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:57:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:57:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:57:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:57:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:13,203 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:13,205 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:14,827 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:16,429 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:16,429 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-11 23:57:16,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:16 BoogieIcfgContainer [2023-11-11 23:57:16,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:16,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:16,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:16,446 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:16,446 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:16" (1/1) ... [2023-11-11 23:57:16,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 132 states and 213 transitions. [2023-11-11 23:57:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 213 transitions. [2023-11-11 23:57:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:16,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:16,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:16,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:57:16,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:16,805 INFO L351 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 [2023-11-11 23:57:16,816 INFO L351 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 [2023-11-11 23:57:16,865 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:57:16,866 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:57:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:57:16,875 INFO L351 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 [2023-11-11 23:57:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-11 23:57:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-11 23:57:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:57:16,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:16,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:57:17,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:17,037 INFO L351 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 [2023-11-11 23:57:17,081 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:57:17,082 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:57:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:57:17,089 INFO L351 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 [2023-11-11 23:57:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-11-11 23:57:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-11-11 23:57:17,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:57:17,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:57:17,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 138 states and 221 transitions. [2023-11-11 23:57:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-11-11 23:57:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:57:17,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 138 states and 217 transitions. [2023-11-11 23:57:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 217 transitions. [2023-11-11 23:57:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:57:17,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:57:17,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-11-11 23:57:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-11-11 23:57:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:57:17,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:17,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:57:17,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 138 states and 207 transitions. [2023-11-11 23:57:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 207 transitions. [2023-11-11 23:57:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:17,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:18,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:57:18,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:28,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:57:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 138 states and 201 transitions. [2023-11-11 23:57:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 201 transitions. [2023-11-11 23:57:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:57:28,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:57:28,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:39,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:57:49,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:57:59,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:58:09,325 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 [] [2023-11-11 23:58:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 220 transitions. [2023-11-11 23:58:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 220 transitions. [2023-11-11 23:58:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:58:09,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:09,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:58:09,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 153 states and 218 transitions. [2023-11-11 23:58:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 218 transitions. [2023-11-11 23:58:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:58:09,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:09,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:58:09,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 153 states and 216 transitions. [2023-11-11 23:58:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 216 transitions. [2023-11-11 23:58:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:58:09,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:10,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:58:10,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.