./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/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_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/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_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/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 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:58,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:58,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:56:58,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:58,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:58,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:58,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:58,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:58,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:58,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:58,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:58,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:58,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:58,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:58,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:58,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:58,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:58,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:58,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:58,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:58,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:58,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:58,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:58,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:58,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:58,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:58,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:58,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:58,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:58,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:58,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:58,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:58,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:58,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:58,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:58,426 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_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2023-11-23 19:56:58,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:58,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:58,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:58,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:58,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:58,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i [2023-11-23 19:57:02,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:57:02,495 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:57:02,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-1.i [2023-11-23 19:57:02,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/data/b260d3709/533e179e23ac471d9488a7579b27d7a4/FLAGba3cda4dd [2023-11-23 19:57:02,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/data/b260d3709/533e179e23ac471d9488a7579b27d7a4 [2023-11-23 19:57:02,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:57:02,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:57:02,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:02,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:57:02,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:57:02,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:02" (1/1) ... [2023-11-23 19:57:02,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4707a1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:02, skipping insertion in model container [2023-11-23 19:57:02,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:02" (1/1) ... [2023-11-23 19:57:02,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:57:02,953 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:03,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:03,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:57:03,288 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:57:03,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:03,436 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:03,437 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:57:03,445 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:57:03,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03 WrapperNode [2023-11-23 19:57:03,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:03,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:03,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:57:03,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:57:03,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,603 INFO L138 Inliner]: procedures = 178, calls = 283, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1349 [2023-11-23 19:57:03,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:03,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:57:03,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:57:03,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:57:03,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:57:03,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:57:03,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:57:03,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:57:03,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:03" (1/1) ... [2023-11-23 19:57:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:57:03,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:57:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea3e0e8-24b5-45a1-b288-753f9b5c4450/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:57:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 19:57:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 19:57:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 19:57:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:57:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 19:57:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 19:57:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 19:57:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 19:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 19:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 19:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:57:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:57:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:57:04,264 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:57:04,266 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:57:05,887 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:57:07,595 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:57:07,595 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 19:57:07,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:07 BoogieIcfgContainer [2023-11-23 19:57:07,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:57:07,598 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:57:07,598 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:57:07,609 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:57:07,609 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:07" (1/1) ... [2023-11-23 19:57:07,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:57:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:07,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 131 states and 214 transitions. [2023-11-23 19:57:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 214 transitions. [2023-11-23 19:57:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 19:57:07,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:07,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:07,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 19:57:07,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:08,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-23 19:57:08,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 19:57:08,113 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 19:57:08,115 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 19:57:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 19:57:08,125 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 19:57:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 134 states and 219 transitions. [2023-11-23 19:57:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2023-11-23 19:57:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:57:08,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:08,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 19:57:08,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:08,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 19:57:08,483 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 19:57:08,485 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 19:57:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 19:57:08,493 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 19:57:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 224 transitions. [2023-11-23 19:57:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 224 transitions. [2023-11-23 19:57:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:57:08,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:08,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:08,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:08,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 137 states and 222 transitions. [2023-11-23 19:57:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 222 transitions. [2023-11-23 19:57:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:57:08,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:08,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 217 transitions. [2023-11-23 19:57:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 217 transitions. [2023-11-23 19:57:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:57:08,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:08,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:09,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:09,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 137 states and 213 transitions. [2023-11-23 19:57:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 213 transitions. [2023-11-23 19:57:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 19:57:09,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 137 states and 209 transitions. [2023-11-23 19:57:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 209 transitions. [2023-11-23 19:57:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:57:09,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:09,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:09,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:09,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 137 states and 203 transitions. [2023-11-23 19:57:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2023-11-23 19:57:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:57:09,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:09,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 137 states and 201 transitions. [2023-11-23 19:57:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 201 transitions. [2023-11-23 19:57:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 19:57:09,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:09,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:19,460 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 [] [2023-11-23 19:57:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 199 transitions. [2023-11-23 19:57:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2023-11-23 19:57:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 19:57:19,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:19,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 137 states and 198 transitions. [2023-11-23 19:57:19,780 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-23 19:57:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 19:57:19,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:19,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:19,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:19,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:29,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:57:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2023-11-23 19:57:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2023-11-23 19:57:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 19:57:30,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 141 states and 196 transitions. [2023-11-23 19:57:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 196 transitions. [2023-11-23 19:57:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 19:57:30,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 141 states and 192 transitions. [2023-11-23 19:57:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 192 transitions. [2023-11-23 19:57:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 19:57:30,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:30,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 19:57:30,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:41,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:57:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 141 states and 190 transitions. [2023-11-23 19:57:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 190 transitions. [2023-11-23 19:57:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 19:57:41,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 19:57:41,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 19:57:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:51,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 19:57:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 141 states and 188 transitions. [2023-11-23 19:57:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2023-11-23 19:57:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:57:51,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:51,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:58:02,135 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 []