./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.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_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/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_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/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_1427a8ab-029f-4380-85af-10a398c8dd22/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:24,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:24,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:24,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:24,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:24,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:24,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:24,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:24,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:24,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:24,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:24,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:24,722 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:24,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:24,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:24,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:24,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:24,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:24,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:24,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:24,726 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:24,727 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:24,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:24,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:24,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:24,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:24,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:24,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:24,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:24,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:24,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:24,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:24,731 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:24,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:24,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:24,732 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_1427a8ab-029f-4380-85af-10a398c8dd22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-11-23 20:06:25,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:25,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:25,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:25,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:25,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:25,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2023-11-23 20:06:28,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:28,724 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:28,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2023-11-23 20:06:28,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/data/06a726a6e/adf505f414cf4cdb9df50d11510bcb90/FLAGd4bd7a61b [2023-11-23 20:06:28,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/data/06a726a6e/adf505f414cf4cdb9df50d11510bcb90 [2023-11-23 20:06:28,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:28,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:28,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:28,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:28,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:28,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f8ec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28, skipping insertion in model container [2023-11-23 20:06:28,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:29,176 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:06:29,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:29,616 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:29,638 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:06:29,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:29,817 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:29,823 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:29,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29 WrapperNode [2023-11-23 20:06:29,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:29,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:29,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:29,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:29,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:29,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,027 INFO L138 Inliner]: procedures = 178, calls = 440, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1777 [2023-11-23 20:06:30,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:30,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:30,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:30,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:30,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:30,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:30,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:30,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:30,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:30,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:30,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:30,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1427a8ab-029f-4380-85af-10a398c8dd22/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:06:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:06:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:06:30,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:06:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:06:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:06:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:06:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:30,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:30,632 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:30,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:32,428 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:34,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:34,251 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-11-23 20:06:34,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:34 BoogieIcfgContainer [2023-11-23 20:06:34,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:34,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:34,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:34,266 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:34,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:34" (1/1) ... [2023-11-23 20:06:34,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:34,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2023-11-23 20:06:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-11-23 20:06:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:06:34,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:34,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:34,587 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 20:06:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2023-11-23 20:06:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2023-11-23 20:06:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:06:34,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:34,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:34,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:34,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 148 states and 249 transitions. [2023-11-23 20:06:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-11-23 20:06:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:06:34,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:34,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:06:34,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:34,937 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 20:06:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-11-23 20:06:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-11-23 20:06:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:34,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,051 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 20:06:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-11-23 20:06:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-11-23 20:06:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:35,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,200 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 20:06:35,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-11-23 20:06:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-11-23 20:06:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:06:35,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,543 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 20:06:45,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:06:55,638 WARN L539 Checker$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 20:06:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-11-23 20:06:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-11-23 20:06:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:06:55,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:55,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:56,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:56,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:56,311 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 20:07:06,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:07:16,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:07:17,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:07:27,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []