./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9 --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 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:02:38,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:02:38,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 05:02:38,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 05:02:38,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 05:02:38,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:02:38,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:02:38,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:02:38,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:02:38,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:02:38,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:02:38,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:02:38,443 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 05:02:38,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 05:02:38,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 05:02:38,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:02:38,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:02:38,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:02:38,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:02:38,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:02:38,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:02:38,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 05:02:38,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:02:38,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:02:38,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:02:38,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:02:38,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:02:38,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:02:38,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:02:38,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:02:38,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:02:38,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:02:38,454 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 05:02:38,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 05:02:38,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:02:38,454 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_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2023-12-03 05:02:38,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:02:38,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:02:38,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:02:38,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:02:38,686 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:02:38,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-12-03 05:02:41,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:02:41,801 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:02:41,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-12-03 05:02:41,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data/938414bd8/f23379bd1a024da3ae3237f4956f1c54/FLAGec28ce677 [2023-12-03 05:02:41,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data/938414bd8/f23379bd1a024da3ae3237f4956f1c54 [2023-12-03 05:02:41,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:02:41,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:02:41,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:02:41,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:02:41,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:02:41,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:02:41" (1/1) ... [2023-12-03 05:02:41,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6b6062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:41, skipping insertion in model container [2023-12-03 05:02:41,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:02:41" (1/1) ... [2023-12-03 05:02:41,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:02:42,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:02:42,542 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:02:42,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:02:42,702 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:02:42,708 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:02:42,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42 WrapperNode [2023-12-03 05:02:42,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:02:42,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:02:42,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:02:42,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:02:42,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,821 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-12-03 05:02:42,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:02:42,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:02:42,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:02:42,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:02:42,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:02:42,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:02:42,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:02:42,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:02:42,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:02:42" (1/1) ... [2023-12-03 05:02:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:02:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:02:42,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:02:42,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:02:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 05:02:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 05:02:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:02:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 05:02:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 05:02:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:02:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 05:02:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 05:02:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 05:02:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 05:02:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 05:02:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 05:02:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 05:02:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:02:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 05:02:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 05:02:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 05:02:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 05:02:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 05:02:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 05:02:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:02:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:02:43,243 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:02:43,245 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:02:44,599 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:02:45,958 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:02:45,959 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 05:02:45,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:02:45 BoogieIcfgContainer [2023-12-03 05:02:45,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:02:45,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:02:45,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:02:45,969 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:02:45,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:02:45" (1/1) ... [2023-12-03 05:02:45,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:02:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-12-03 05:02:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-03 05:02:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 05:02:46,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:46,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 05:02:46,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:46,302 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 [2023-12-03 05:02:46,349 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-12-03 05:02:46,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-12-03 05:02:46,361 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 8 treesize of output 7 [2023-12-03 05:02:46,399 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 8 treesize of output 7 [2023-12-03 05:02:46,427 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 05:02:46,429 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2023-12-03 05:02:46,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 26 treesize of output 14 [2023-12-03 05:02:46,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2023-12-03 05:02:46,507 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 05:02:46,508 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-03 05:02:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 05:02:46,515 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 [2023-12-03 05:02:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-12-03 05:02:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-12-03 05:02:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 05:02:46,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:46,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:46,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 05:02:46,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:46,723 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-12-03 05:02:46,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-12-03 05:02:46,733 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 8 treesize of output 7 [2023-12-03 05:02:46,756 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 8 treesize of output 7 [2023-12-03 05:02:46,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2023-12-03 05:02:46,797 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 [2023-12-03 05:02:46,818 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 05:02:46,819 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 05:02:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 05:02:46,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 05:02:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 200 states and 311 transitions. [2023-12-03 05:02:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 311 transitions. [2023-12-03 05:02:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 05:02:46,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:46,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:02:46,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 200 states and 309 transitions. [2023-12-03 05:02:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 309 transitions. [2023-12-03 05:02:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 05:02:47,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:47,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:02:47,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2023-12-03 05:02:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2023-12-03 05:02:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 05:02:47,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 198 states and 293 transitions. [2023-12-03 05:02:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2023-12-03 05:02:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 05:02:47,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:47,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:02:47,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 198 states and 291 transitions. [2023-12-03 05:02:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 291 transitions. [2023-12-03 05:02:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 05:02:47,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:47,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:47,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:02:47,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:02:57,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:02:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:02:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2023-12-03 05:02:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2023-12-03 05:02:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 05:02:57,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:02:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:02:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:02:57,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:02:57,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:02:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:08,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:18,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:28,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:38,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:03:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 216 states and 317 transitions. [2023-12-03 05:03:38,661 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 317 transitions. [2023-12-03 05:03:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 05:03:38,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:03:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:03:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:03:38,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:03:38,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:03:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:03:49,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:03:59,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:09,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:19,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 235 states and 346 transitions. [2023-12-03 05:04:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-12-03 05:04:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 05:04:19,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:19,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:19,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:04:19,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:04:29,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:04:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 235 states and 344 transitions. [2023-12-03 05:04:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2023-12-03 05:04:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 05:04:29,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:04:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:04:30,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:04:30,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:04:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:04:40,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:04:50,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:00,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:10,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 238 states and 346 transitions. [2023-12-03 05:05:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 346 transitions. [2023-12-03 05:05:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 05:05:10,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:10,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:05:10,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 238 states and 342 transitions. [2023-12-03 05:05:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 342 transitions. [2023-12-03 05:05:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 05:05:10,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:10,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:10,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:05:10,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:05:20,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:30,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:40,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:50,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:05:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 241 states and 344 transitions. [2023-12-03 05:05:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 344 transitions. [2023-12-03 05:05:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 05:05:50,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:51,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:05:51,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 241 states and 338 transitions. [2023-12-03 05:05:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 338 transitions. [2023-12-03 05:05:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 05:05:51,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:51,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:51,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:05:51,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:05:51,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:05:51,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 250 states and 349 transitions. [2023-12-03 05:05:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 349 transitions. [2023-12-03 05:05:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 05:05:51,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:05:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:05:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:05:51,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:05:51,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:05:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:06:02,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:12,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:22,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:32,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 277 states and 396 transitions. [2023-12-03 05:06:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2023-12-03 05:06:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 05:06:32,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:32,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:33,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:06:33,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:06:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:06:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 286 states and 408 transitions. [2023-12-03 05:06:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 408 transitions. [2023-12-03 05:06:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 05:06:33,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:06:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:06:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:06:33,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:06:33,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:06:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:06:44,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:06:54,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:04,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:14,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 314 states and 458 transitions. [2023-12-03 05:07:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 458 transitions. [2023-12-03 05:07:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 05:07:15,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:15,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:15,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:07:15,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:07:25,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:35,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:45,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:55,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:07:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:07:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 317 states and 460 transitions. [2023-12-03 05:07:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 460 transitions. [2023-12-03 05:07:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 05:07:55,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:07:55,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:07:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:07:55,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 05:07:55,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:07:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:08:05,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:15,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:25,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:35,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:08:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 320 states and 462 transitions. [2023-12-03 05:08:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 462 transitions. [2023-12-03 05:08:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 05:08:35,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:08:35,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:08:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:08:35,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:08:35,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:08:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:08:47,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:08:57,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:07,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:17,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 335 states and 482 transitions. [2023-12-03 05:09:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 482 transitions. [2023-12-03 05:09:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 05:09:17,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:17,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 05:09:17,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 349 states and 520 transitions. [2023-12-03 05:09:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 520 transitions. [2023-12-03 05:09:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 05:09:19,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:19,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:19,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 05:09:19,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 366 states and 570 transitions. [2023-12-03 05:09:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 570 transitions. [2023-12-03 05:09:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 05:09:21,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:21,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:09:21,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:09:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 372 states and 583 transitions. [2023-12-03 05:09:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 583 transitions. [2023-12-03 05:09:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 05:09:22,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:22,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:09:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:22,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:09:22,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 05:09:32,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:42,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:09:52,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:10:02,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:10:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 375 states and 585 transitions. [2023-12-03 05:10:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 585 transitions. [2023-12-03 05:10:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 05:10:02,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:03,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 05:10:03,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 381 states and 597 transitions. [2023-12-03 05:10:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 597 transitions. [2023-12-03 05:10:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 05:10:03,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:03,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 05:10:03,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 05:10:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 379 states and 593 transitions. [2023-12-03 05:10:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 593 transitions. [2023-12-03 05:10:03,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 05:10:03,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:03,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:03,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 05:10:03,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:04,077 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 390 states and 616 transitions. [2023-12-03 05:10:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 616 transitions. [2023-12-03 05:10:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 05:10:05,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:05,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 05:10:05,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:07,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 407 states and 667 transitions. [2023-12-03 05:10:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 667 transitions. [2023-12-03 05:10:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 05:10:07,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:07,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 05:10:07,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 05:10:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 419 states and 694 transitions. [2023-12-03 05:10:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 694 transitions. [2023-12-03 05:10:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 05:10:09,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:09,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 05:10:09,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 05:10:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 443 states and 763 transitions. [2023-12-03 05:10:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 763 transitions. [2023-12-03 05:10:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 05:10:12,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:12,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:12,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:10:12,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:10:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 444 states and 767 transitions. [2023-12-03 05:10:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 767 transitions. [2023-12-03 05:10:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 05:10:13,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:13,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:13,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:10:13,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 05:10:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 446 states and 770 transitions. [2023-12-03 05:10:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 770 transitions. [2023-12-03 05:10:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 05:10:13,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:13,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:14,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 05:10:14,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 05:10:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 448 states and 772 transitions. [2023-12-03 05:10:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 772 transitions. [2023-12-03 05:10:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 05:10:15,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:15,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:16,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 05:10:16,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:10:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 456 states and 800 transitions. [2023-12-03 05:10:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 800 transitions. [2023-12-03 05:10:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 05:10:23,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:23,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:24,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 05:10:24,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 05:10:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 459 states and 810 transitions. [2023-12-03 05:10:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 810 transitions. [2023-12-03 05:10:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 05:10:26,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:10:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 05:10:36,829 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 05:10:36,832 INFO L158 Benchmark]: Toolchain (without parser) took 474991.36ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 134.4MB in the beginning and 213.0MB in the end (delta: -78.6MB). Peak memory consumption was 180.1MB. Max. memory is 16.1GB. [2023-12-03 05:10:36,832 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:10:36,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.44ms. Allocated memory is still 176.2MB. Free memory was 134.4MB in the beginning and 89.5MB in the end (delta: 44.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-03 05:10:36,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.59ms. Allocated memory is still 176.2MB. Free memory was 89.5MB in the beginning and 79.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 05:10:36,833 INFO L158 Benchmark]: Boogie Preprocessor took 124.82ms. Allocated memory is still 176.2MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 05:10:36,834 INFO L158 Benchmark]: RCFGBuilder took 3012.34ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 68.4MB in the beginning and 131.3MB in the end (delta: -62.9MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-12-03 05:10:36,834 INFO L158 Benchmark]: CodeCheck took 470870.48ms. Allocated memory was 213.9MB in the beginning and 314.6MB in the end (delta: 100.7MB). Free memory was 131.3MB in the beginning and 213.0MB in the end (delta: -81.7MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2023-12-03 05:10:36,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.44ms. Allocated memory is still 176.2MB. Free memory was 134.4MB in the beginning and 89.5MB in the end (delta: 44.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.59ms. Allocated memory is still 176.2MB. Free memory was 89.5MB in the beginning and 79.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.82ms. Allocated memory is still 176.2MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3012.34ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 68.4MB in the beginning and 131.3MB in the end (delta: -62.9MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * CodeCheck took 470870.48ms. Allocated memory was 213.9MB in the beginning and 314.6MB in the end (delta: 100.7MB). Free memory was 131.3MB in the beginning and 213.0MB in the end (delta: -81.7MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 05:10:37,043 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 05:10:37,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9 --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 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:10:38,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:10:38,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 05:10:38,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:10:38,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:10:38,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:10:38,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:10:38,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:10:38,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:10:38,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:10:38,811 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 05:10:38,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 05:10:38,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:10:38,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:10:38,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:10:38,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:10:38,814 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 05:10:38,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 05:10:38,815 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:10:38,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 05:10:38,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:10:38,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 05:10:38,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:10:38,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:10:38,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:10:38,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:10:38,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:10:38,820 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:38,821 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 05:10:38,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:10:38,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:10:38,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:10:38,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:10:38,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:10:38,823 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 05:10:38,823 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:38,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:10:38,824 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 05:10:38,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 05:10:38,824 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2023-12-03 05:10:39,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:10:39,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:10:39,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:10:39,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:10:39,146 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:10:39,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-12-03 05:10:41,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:10:42,261 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:10:42,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-12-03 05:10:42,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data/1d91e3581/7d7861d539f84c8fa7cba760d5eb5565/FLAG037cb7370 [2023-12-03 05:10:42,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/data/1d91e3581/7d7861d539f84c8fa7cba760d5eb5565 [2023-12-03 05:10:42,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:10:42,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:10:42,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:10:42,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:10:42,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:10:42,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:10:42" (1/1) ... [2023-12-03 05:10:42,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c1bbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:42, skipping insertion in model container [2023-12-03 05:10:42,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:10:42" (1/1) ... [2023-12-03 05:10:42,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:10:43,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:10:43,108 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 05:10:43,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:10:43,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:10:43,285 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:10:43,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:10:43,413 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:10:43,419 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:10:43,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43 WrapperNode [2023-12-03 05:10:43,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:10:43,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:10:43,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:10:43,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:10:43,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,518 INFO L138 Inliner]: procedures = 285, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1217 [2023-12-03 05:10:43,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:10:43,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:10:43,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:10:43,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:10:43,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:10:43,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:10:43,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:10:43,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:10:43,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:10:43" (1/1) ... [2023-12-03 05:10:43,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:10:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:10:43,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:10:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:10:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 05:10:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:10:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 05:10:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 05:10:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 05:10:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 05:10:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 05:10:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 05:10:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 05:10:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:10:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 05:10:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 05:10:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 05:10:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 05:10:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 05:10:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:10:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:10:43,920 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:10:43,922 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:10:54,233 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:10:54,709 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:10:54,709 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 05:10:54,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:10:54 BoogieIcfgContainer [2023-12-03 05:10:54,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:10:54,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:10:54,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:10:54,721 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:10:54,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:10:54" (1/1) ... [2023-12-03 05:10:54,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:10:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-12-03 05:10:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-03 05:10:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 05:10:54,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:54,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:54,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:54,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:54,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f97bc3-57b7-4352-a9da-625124e95f8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process