./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:28,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:28,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:52:28,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:28,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:28,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:28,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:28,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:28,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:28,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:28,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:28,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:28,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:28,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:28,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:28,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:28,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:28,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:28,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:28,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:52:28,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:52:28,549 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:28,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:28,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:28,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:28,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:28,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:28,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:28,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:28,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:28,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:28,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:28,557 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:28,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:28,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:28,557 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_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2023-11-19 02:52:28,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:28,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:28,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:28,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:28,905 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:28,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2023-11-19 02:52:32,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:32,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:32,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2023-11-19 02:52:32,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/data/e3367160c/c0ce856b9be14622a69b8e6fb07cd79b/FLAGb225e9b90 [2023-11-19 02:52:32,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/data/e3367160c/c0ce856b9be14622a69b8e6fb07cd79b [2023-11-19 02:52:32,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:32,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:32,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:32,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:32,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:32,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:32" (1/1) ... [2023-11-19 02:52:32,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9f4de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:32, skipping insertion in model container [2023-11-19 02:52:32,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:32" (1/1) ... [2023-11-19 02:52:32,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:33,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:33,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:33,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:33,519 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:33,525 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:33,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33 WrapperNode [2023-11-19 02:52:33,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:33,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:33,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:33,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:33,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,697 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-19 02:52:33,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:33,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:33,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:33,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:33,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:33,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:33,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:33,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:33,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:33" (1/1) ... [2023-11-19 02:52:33,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:33,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:33,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:33,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98fd9dc2-ef86-4e18-94ea-232c1fea2a25/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:52:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:52:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:52:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:52:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:52:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:52:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-19 02:52:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-19 02:52:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:52:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:52:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:52:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:52:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:34,294 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:34,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:36,071 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:37,890 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:37,890 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-19 02:52:37,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:37 BoogieIcfgContainer [2023-11-19 02:52:37,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:37,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:37,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:37,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:37,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:37" (1/1) ... [2023-11-19 02:52:37,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-19 02:52:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-19 02:52:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:38,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:38,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:38,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:38,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:38,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:52:38,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 02:52:38,411 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:38,413 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:52:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:38,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 02:52:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:38,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-19 02:52:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-19 02:52:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:38,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:38,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:38,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:38,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 02:52:38,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:52:38,654 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:38,655 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 02:52:38,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:38,663 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 22 treesize of output 10 [2023-11-19 02:52:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 191 states and 317 transitions. [2023-11-19 02:52:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 317 transitions. [2023-11-19 02:52:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:38,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:38,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:38,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2023-11-19 02:52:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2023-11-19 02:52:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:52:38,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 191 states and 309 transitions. [2023-11-19 02:52:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 309 transitions. [2023-11-19 02:52:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:39,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:39,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:39,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 191 states and 305 transitions. [2023-11-19 02:52:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 305 transitions. [2023-11-19 02:52:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:52:39,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:39,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:39,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 191 states and 299 transitions. [2023-11-19 02:52:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 299 transitions. [2023-11-19 02:52:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:52:39,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:39,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:39,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:39,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:42,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:52:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 191 states and 293 transitions. [2023-11-19 02:52:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2023-11-19 02:52:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:52:42,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:42,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:42,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:52:42,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:53,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:03,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:13,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:23,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 216 states and 327 transitions. [2023-11-19 02:53:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 327 transitions. [2023-11-19 02:53:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:53:23,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:23,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:33,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:53:33,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 216 states and 325 transitions. [2023-11-19 02:53:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 325 transitions. [2023-11-19 02:53:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:53:33,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:34,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:34,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.