./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:12,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:12,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:10:12,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:12,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:12,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:12,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:12,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:12,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:12,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:12,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:12,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:12,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:12,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:12,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:12,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:12,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:12,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:12,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:12,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:12,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:12,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:12,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:12,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:12,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:12,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:12,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:12,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:12,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:12,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:12,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:12,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:12,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:12,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:12,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:12,456 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_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2023-11-23 20:10:12,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:12,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:12,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:12,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:12,757 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:12,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-2.i [2023-11-23 20:10:15,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:16,329 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:16,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-2.i [2023-11-23 20:10:16,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/data/eede5f65b/22cdf7bc460c4ba19fde20909a7ee831/FLAG8e094f1b3 [2023-11-23 20:10:16,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/data/eede5f65b/22cdf7bc460c4ba19fde20909a7ee831 [2023-11-23 20:10:16,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:16,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:16,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:16,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:16,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:16,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:16" (1/1) ... [2023-11-23 20:10:16,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e268ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:16, skipping insertion in model container [2023-11-23 20:10:16,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:16" (1/1) ... [2023-11-23 20:10:16,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:16,784 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:17,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:17,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:17,246 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:17,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:17,470 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:17,470 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:17,479 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:17,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17 WrapperNode [2023-11-23 20:10:17,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:17,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:17,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:17,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:17,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,679 INFO L138 Inliner]: procedures = 208, calls = 282, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1358 [2023-11-23 20:10:17,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:17,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:17,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:17,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:17,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:17,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:17,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:17,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:17,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:17" (1/1) ... [2023-11-23 20:10:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:17,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:17,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e820be90-048a-44b7-8c9c-256d5983ab85/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:10:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:10:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:10:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:10:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:10:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:10:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:18,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:18,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:19,844 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:21,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:21,579 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 20:10:21,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:21 BoogieIcfgContainer [2023-11-23 20:10:21,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:21,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:21,582 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:21,592 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:21,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:21" (1/1) ... [2023-11-23 20:10:21,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 125 states and 206 transitions. [2023-11-23 20:10:21,665 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 206 transitions. [2023-11-23 20:10:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:10:21,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:21,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:21,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:10:21,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:21,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:10:22,004 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:10:22,005 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 20:10:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:22,015 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 [2023-11-23 20:10:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 128 states and 211 transitions. [2023-11-23 20:10:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 211 transitions. [2023-11-23 20:10:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:10:22,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:10:22,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:22,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:10:22,280 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:10:22,281 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 20:10:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:22,288 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 [2023-11-23 20:10:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 212 transitions. [2023-11-23 20:10:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2023-11-23 20:10:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:10:22,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:22,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2023-11-23 20:10:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2023-11-23 20:10:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:10:22,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 129 states and 207 transitions. [2023-11-23 20:10:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2023-11-23 20:10:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:10:22,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:22,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 129 states and 203 transitions. [2023-11-23 20:10:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 203 transitions. [2023-11-23 20:10:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:22,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2023-11-23 20:10:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-23 20:10:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:10:22,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 129 states and 197 transitions. [2023-11-23 20:10:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2023-11-23 20:10:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:10:22,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:22,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 129 states and 191 transitions. [2023-11-23 20:10:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2023-11-23 20:10:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:10:22,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:22,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:29,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 129 states and 189 transitions. [2023-11-23 20:10:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 189 transitions. [2023-11-23 20:10:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:29,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 133 states and 193 transitions. [2023-11-23 20:10:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2023-11-23 20:10:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:30,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:30,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 133 states and 189 transitions. [2023-11-23 20:10:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 189 transitions. [2023-11-23 20:10:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:30,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:30,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:30,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:32,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 133 states and 183 transitions. [2023-11-23 20:10:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 183 transitions. [2023-11-23 20:10:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:10:32,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:32,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:43,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:53,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:54,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 149 states and 202 transitions. [2023-11-23 20:10:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2023-11-23 20:10:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:10:55,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:55,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:10:55,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:55,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:05,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:15,631 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 []