./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/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_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/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_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:40:42,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:40:42,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:40:42,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:40:42,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:40:42,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:40:42,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:40:42,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:40:42,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:40:42,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:40:42,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:40:42,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:40:42,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:40:42,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:40:42,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:40:42,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:40:42,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:40:42,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:40:42,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:40:42,646 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:40:42,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:40:42,648 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:40:42,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:40:42,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:40:42,649 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:40:42,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:40:42,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:40:42,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:42,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:40:42,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:40:42,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:40:42,653 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:40:42,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:40:42,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:40:42,654 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_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2023-11-11 23:40:43,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:40:43,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:40:43,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:40:43,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:40:43,056 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:40:43,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-11 23:40:46,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:40:46,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:40:46,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2023-11-11 23:40:46,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/data/326acd98d/78620db465364150aaae9f1a81a9db27/FLAG4eb32a82a [2023-11-11 23:40:46,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/data/326acd98d/78620db465364150aaae9f1a81a9db27 [2023-11-11 23:40:46,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:40:46,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:40:46,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:46,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:40:47,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:40:47,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9614f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47, skipping insertion in model container [2023-11-11 23:40:47,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:47,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:47,742 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:40:47,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:47,970 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:40:47,978 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:40:47,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47 WrapperNode [2023-11-11 23:40:47,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:47,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:47,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:40:47,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:40:47,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,114 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-11 23:40:48,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:48,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:40:48,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:40:48,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:40:48,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:40:48,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:40:48,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:40:48,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:40:48,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:48,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:48,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:40:48,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:40:48,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808ba652-81b3-4a79-bfe1-b9e8c55b2f9c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:40:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:40:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:40:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:40:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:40:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:40:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:40:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:40:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:40:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-11 23:40:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-11 23:40:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:40:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:40:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:40:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:40:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:40:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:40:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:40:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:40:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:40:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:40:48,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:40:48,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:40:50,679 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:40:52,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:40:52,690 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-11 23:40:52,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:40:52 BoogieIcfgContainer [2023-11-11 23:40:52,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:40:52,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:40:52,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:40:52,709 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:40:52,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:40:52" (1/1) ... [2023-11-11 23:40:52,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:40:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2023-11-11 23:40:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2023-11-11 23:40:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:40:52,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:52,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:53,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:40:53,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:53,099 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 23:40:53,167 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:40:53,169 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-11 23:40:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:40:53,179 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 22 treesize of output 10 [2023-11-11 23:40:53,194 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 23:40:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-11-11 23:40:53,272 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-11-11 23:40:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:40:53,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:53,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:53,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:40:53,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:53,381 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 23:40:53,413 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:40:53,414 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-11 23:40:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:40:53,422 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 22 treesize of output 10 [2023-11-11 23:40:53,435 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 23:40:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2023-11-11 23:40:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2023-11-11 23:40:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:40:53,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:53,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:40:53,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:53,574 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 23:40:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 176 states and 288 transitions. [2023-11-11 23:40:53,584 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 288 transitions. [2023-11-11 23:40:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:40:53,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:53,892 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 23:40:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 176 states and 282 transitions. [2023-11-11 23:40:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 282 transitions. [2023-11-11 23:40:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:40:54,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:54,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:40:54,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:54,244 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 23:40:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 176 states and 278 transitions. [2023-11-11 23:40:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 278 transitions. [2023-11-11 23:40:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:40:54,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:54,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:40:54,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:54,430 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 23:40:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 176 states and 272 transitions. [2023-11-11 23:40:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2023-11-11 23:40:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:40:54,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:54,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:40:54,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:54,697 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 23:41:04,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:41:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 176 states and 266 transitions. [2023-11-11 23:41:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 266 transitions. [2023-11-11 23:41:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:41:04,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:04,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:05,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:41:05,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:15,779 WARN L539 Checker$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 23:41:25,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:41:35,866 WARN L539 Checker$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 23:41:45,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:41:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 209 states and 309 transitions. [2023-11-11 23:41:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 309 transitions. [2023-11-11 23:41:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:41:46,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:46,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:41:46,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:46,455 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 23:41:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 209 states and 307 transitions. [2023-11-11 23:41:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 307 transitions. [2023-11-11 23:41:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:41:46,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:46,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:41:46,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.