./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:20:51,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:20:51,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:20:51,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:20:51,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:20:51,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:20:51,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:20:51,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:20:51,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:20:51,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:20:51,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:20:51,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:20:51,237 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:20:51,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:20:51,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:20:51,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:20:51,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:20:51,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:20:51,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:20:51,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:20:51,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:20:51,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:20:51,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:20:51,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:20:51,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:20:51,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:20:51,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:20:51,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:20:51,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:51,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:20:51,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:20:51,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:20:51,246 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:20:51,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:20:51,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:20:51,247 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_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-12-03 01:20:51,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:20:51,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:20:51,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:20:51,524 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:20:51,524 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:20:51,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-03 01:20:54,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:20:54,543 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:20:54,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-03 01:20:54,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data/9ab75eaa0/4b3ee10bbd1546a3aece676d4c0c2c5e/FLAG2fdbfdb7f [2023-12-03 01:20:54,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data/9ab75eaa0/4b3ee10bbd1546a3aece676d4c0c2c5e [2023-12-03 01:20:54,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:20:54,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:20:54,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:54,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:20:54,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:20:54,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:54" (1/1) ... [2023-12-03 01:20:54,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1076a93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:54, skipping insertion in model container [2023-12-03 01:20:54,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:20:54" (1/1) ... [2023-12-03 01:20:54,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:20:55,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:55,392 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:20:55,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:20:55,616 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:20:55,624 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:20:55,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55 WrapperNode [2023-12-03 01:20:55,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:20:55,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:55,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:20:55,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:20:55,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,744 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-12-03 01:20:55,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:20:55,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:20:55,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:20:55,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:20:55,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:20:55,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:20:55,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:20:55,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:20:55,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:20:55" (1/1) ... [2023-12-03 01:20:55,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:20:55,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:20:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:20:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 01:20:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 01:20:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:20:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:20:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:20:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:20:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 01:20:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 01:20:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:20:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:20:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:20:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:20:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:20:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:20:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 01:20:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 01:20:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:20:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 01:20:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 01:20:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:20:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:20:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:20:56,160 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:20:56,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:20:57,549 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:20:59,049 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:20:59,049 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 01:20:59,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:59 BoogieIcfgContainer [2023-12-03 01:20:59,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:20:59,052 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:20:59,052 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:20:59,062 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:20:59,062 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:59" (1/1) ... [2023-12-03 01:20:59,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:20:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-12-03 01:20:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-03 01:20:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:20:59,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:59,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:20:59,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:59,427 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 01:20:59,466 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-12-03 01:20:59,466 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 01:20:59,477 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 01:20:59,515 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 01:20:59,542 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:20:59,543 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2023-12-03 01:20:59,581 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 01:20:59,585 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 01:20:59,625 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:20:59,626 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-12-03 01:20:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:20:59,633 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 01:20:59,648 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 01:20:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-12-03 01:20:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-12-03 01:20:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:20:59,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:59,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:20:59,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:59,876 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-12-03 01:20:59,877 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 01:20:59,886 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 01:20:59,910 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 01:20:59,934 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 01:20:59,952 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 01:20:59,976 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:20:59,977 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 01:20:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:20:59,983 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 01:20:59,997 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 01:21:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 200 states and 311 transitions. [2023-12-03 01:21:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 311 transitions. [2023-12-03 01:21:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:21:00,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:21:00,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:00,143 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 01:21:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 200 states and 309 transitions. [2023-12-03 01:21:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 309 transitions. [2023-12-03 01:21:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:21:00,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:21:00,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:00,292 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 01:21:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2023-12-03 01:21:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2023-12-03 01:21:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:21:00,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,475 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 01:21:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 198 states and 293 transitions. [2023-12-03 01:21:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2023-12-03 01:21:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:21:00,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:21:00,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:00,682 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 01:21:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 198 states and 291 transitions. [2023-12-03 01:21:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 291 transitions. [2023-12-03 01:21:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:21:00,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:21:00,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:00,829 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 01:21:10,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2023-12-03 01:21:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2023-12-03 01:21:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:21:10,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:11,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:11,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:21,507 WARN L539 Checker$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 01:21:31,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:41,553 WARN L539 Checker$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 01:21:51,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:51,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 216 states and 317 transitions. [2023-12-03 01:21:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 317 transitions. [2023-12-03 01:21:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:21:51,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:51,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:51,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:51,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:22:02,611 WARN L539 Checker$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 01:22:12,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:22,671 WARN L539 Checker$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 01:22:32,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:32,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 235 states and 346 transitions. [2023-12-03 01:22:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-12-03 01:22:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:22:32,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:32,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:32,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:32,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:22:42,990 WARN L539 Checker$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 01:22:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 235 states and 344 transitions. [2023-12-03 01:22:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2023-12-03 01:22:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:22:43,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:43,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:43,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:43,232 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 01:22:53,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:03,277 WARN L539 Checker$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 01:23:13,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:23,366 WARN L539 Checker$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 01:23:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 238 states and 346 transitions. [2023-12-03 01:23:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 346 transitions. [2023-12-03 01:23:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:23:23,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:23,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:23:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:23,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:23,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:23,552 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 01:23:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:23,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 238 states and 342 transitions. [2023-12-03 01:23:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 342 transitions. [2023-12-03 01:23:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:23:23,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:23,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:23:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:23,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:23:23,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:23,784 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 01:23:33,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:43,870 WARN L539 Checker$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 01:23:53,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:03,933 WARN L539 Checker$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 01:24:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 241 states and 344 transitions. [2023-12-03 01:24:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 344 transitions. [2023-12-03 01:24:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:24:03,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:03,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:04,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:24:04,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:04,182 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 01:24:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 241 states and 338 transitions. [2023-12-03 01:24:04,260 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 338 transitions. [2023-12-03 01:24:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:24:04,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:04,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:04,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:04,522 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 01:24:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:04,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 250 states and 349 transitions. [2023-12-03 01:24:04,939 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 349 transitions. [2023-12-03 01:24:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:24:04,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:05,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:24:05,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:05,171 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 01:24:15,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:25,951 WARN L539 Checker$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 01:24:35,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:46,014 WARN L539 Checker$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 01:24:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 277 states and 396 transitions. [2023-12-03 01:24:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2023-12-03 01:24:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:24:46,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:46,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:46,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:46,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:46,585 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 01:24:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 286 states and 408 transitions. [2023-12-03 01:24:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 408 transitions. [2023-12-03 01:24:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:24:46,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:46,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:46,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:24:46,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:46,900 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 01:24:57,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:07,834 WARN L539 Checker$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 01:25:17,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:27,922 WARN L539 Checker$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 01:25:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 314 states and 458 transitions. [2023-12-03 01:25:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 458 transitions. [2023-12-03 01:25:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:25:28,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:28,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:28,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:28,676 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 01:25:38,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:48,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:58,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:08,856 WARN L539 Checker$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 01:26:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 317 states and 460 transitions. [2023-12-03 01:26:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 460 transitions. [2023-12-03 01:26:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:26:08,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:08,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:09,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:26:09,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:09,126 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 01:26:19,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:29,181 WARN L539 Checker$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 01:26:39,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:49,252 WARN L539 Checker$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 01:26:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 320 states and 462 transitions. [2023-12-03 01:26:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 462 transitions. [2023-12-03 01:26:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:26:49,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:49,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:49,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:49,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:49,608 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 01:27:00,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:10,785 WARN L539 Checker$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 01:27:20,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:30,855 WARN L539 Checker$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 01:27:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 335 states and 482 transitions. [2023-12-03 01:27:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 482 transitions. [2023-12-03 01:27:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:27:30,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:30,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:31,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:27:31,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:31,250 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 01:27:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 349 states and 520 transitions. [2023-12-03 01:27:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 520 transitions. [2023-12-03 01:27:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:27:32,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:32,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:27:32,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:32,772 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 01:27:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 366 states and 570 transitions. [2023-12-03 01:27:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 570 transitions. [2023-12-03 01:27:35,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:27:35,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:35,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:35,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:35,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:35,337 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 01:27:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 365 states and 565 transitions. [2023-12-03 01:27:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 565 transitions. [2023-12-03 01:27:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:27:35,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:35,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:35,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:35,660 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 01:27:45,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:55,718 WARN L539 Checker$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 01:28:05,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:15,832 WARN L539 Checker$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 01:28:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 368 states and 567 transitions. [2023-12-03 01:28:15,882 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 567 transitions. [2023-12-03 01:28:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:28:15,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:15,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:16,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:28:16,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:16,098 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 01:28:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 374 states and 580 transitions. [2023-12-03 01:28:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 580 transitions. [2023-12-03 01:28:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:28:16,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:16,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:28:16,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:16,675 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 01:28:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 372 states and 576 transitions. [2023-12-03 01:28:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 576 transitions. [2023-12-03 01:28:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:28:16,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:16,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:16,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:28:16,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 377 states and 590 transitions. [2023-12-03 01:28:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 590 transitions. [2023-12-03 01:28:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:28:17,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:18,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:28:18,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:18,422 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 01:28:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 394 states and 642 transitions. [2023-12-03 01:28:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 642 transitions. [2023-12-03 01:28:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:21,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:21,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:21,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:21,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 411 states and 700 transitions. [2023-12-03 01:28:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 700 transitions. [2023-12-03 01:28:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:24,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:24,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:24,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 411 states and 700 transitions. [2023-12-03 01:28:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 700 transitions. [2023-12-03 01:28:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:25,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:25,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:25,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:25,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 413 states and 705 transitions. [2023-12-03 01:28:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 705 transitions. [2023-12-03 01:28:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:26,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:26,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:26,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 420 states and 736 transitions. [2023-12-03 01:28:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 736 transitions. [2023-12-03 01:28:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:28,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:28,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:29,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:29,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 420 states and 736 transitions. [2023-12-03 01:28:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 736 transitions. [2023-12-03 01:28:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:29,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:29,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:29,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 420 states and 736 transitions. [2023-12-03 01:28:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 736 transitions. [2023-12-03 01:28:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:29,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:29,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:29,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 420 states and 734 transitions. [2023-12-03 01:28:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 734 transitions. [2023-12-03 01:28:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:31,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:31,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:31,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 423 states and 739 transitions. [2023-12-03 01:28:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 739 transitions. [2023-12-03 01:28:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:31,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:32,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:28:32,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:32,494 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 01:28:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 437 states and 792 transitions. [2023-12-03 01:28:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 792 transitions. [2023-12-03 01:28:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:28:35,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:35,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:35,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:35,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 442 states and 803 transitions. [2023-12-03 01:28:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 803 transitions. [2023-12-03 01:28:38,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:28:38,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:38,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:38,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:28:38,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:39,021 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 01:28:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 460 states and 856 transitions. [2023-12-03 01:28:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 856 transitions. [2023-12-03 01:28:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:28:42,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:42,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:42,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:28:42,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:42,463 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 01:28:43,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 468 states and 888 transitions. [2023-12-03 01:28:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 888 transitions. [2023-12-03 01:28:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:28:43,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:43,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:28:43,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:43,994 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 01:28:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 471 states and 908 transitions. [2023-12-03 01:28:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 908 transitions. [2023-12-03 01:28:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:28:44,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:44,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:44,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:44,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:45,173 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 01:28:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 472 states and 903 transitions. [2023-12-03 01:28:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 903 transitions. [2023-12-03 01:28:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:28:45,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:45,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:46,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:46,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:46,317 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 01:28:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 474 states and 909 transitions. [2023-12-03 01:28:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 909 transitions. [2023-12-03 01:28:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:28:46,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:47,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:28:47,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:47,286 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 01:28:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 476 states and 916 transitions. [2023-12-03 01:28:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 916 transitions. [2023-12-03 01:28:47,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:28:47,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:47,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:48,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:28:48,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:49,061 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 01:28:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 478 states and 918 transitions. [2023-12-03 01:28:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 918 transitions. [2023-12-03 01:28:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 01:28:50,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:50,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:50,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 01:28:50,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:51,995 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 01:28:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:59,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 486 states and 950 transitions. [2023-12-03 01:28:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 950 transitions. [2023-12-03 01:28:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:28:59,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:59,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:00,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 01:29:00,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 01:29:05,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 490 states and 962 transitions. [2023-12-03 01:29:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 962 transitions. [2023-12-03 01:29:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:29:05,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:05,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:05,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 01:29:05,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:29:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 492 states and 965 transitions. [2023-12-03 01:29:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 965 transitions. [2023-12-03 01:29:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:09,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:09,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:13,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 01:29:13,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:29:17,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 494 states and 968 transitions. [2023-12-03 01:29:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 968 transitions. [2023-12-03 01:29:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:17,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:18,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 01:29:18,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:29:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 496 states and 974 transitions. [2023-12-03 01:29:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 974 transitions. [2023-12-03 01:29:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:21,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:21,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:24,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:29:24,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:29:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 497 states and 976 transitions. [2023-12-03 01:29:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 976 transitions. [2023-12-03 01:29:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:25,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:29:36,066 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 01:29:36,069 INFO L158 Benchmark]: Toolchain (without parser) took 521487.01ms. Allocated memory was 123.7MB in the beginning and 513.8MB in the end (delta: 390.1MB). Free memory was 74.9MB in the beginning and 125.6MB in the end (delta: -50.7MB). Peak memory consumption was 341.2MB. Max. memory is 16.1GB. [2023-12-03 01:29:36,069 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:29:36,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1042.29ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 74.9MB in the beginning and 110.3MB in the end (delta: -35.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-12-03 01:29:36,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.25ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 99.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:29:36,070 INFO L158 Benchmark]: Boogie Preprocessor took 121.08ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 89.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:29:36,070 INFO L158 Benchmark]: RCFGBuilder took 3184.48ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 89.3MB in the beginning and 91.3MB in the end (delta: -2.0MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2023-12-03 01:29:36,071 INFO L158 Benchmark]: CodeCheck took 517015.98ms. Allocated memory was 195.0MB in the beginning and 513.8MB in the end (delta: 318.8MB). Free memory was 91.3MB in the beginning and 125.6MB in the end (delta: -34.3MB). Peak memory consumption was 285.5MB. Max. memory is 16.1GB. [2023-12-03 01:29:36,073 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 0.22ms. Allocated memory is still 123.7MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1042.29ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 74.9MB in the beginning and 110.3MB in the end (delta: -35.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.25ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 99.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.08ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 89.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3184.48ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 89.3MB in the beginning and 91.3MB in the end (delta: -2.0MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * CodeCheck took 517015.98ms. Allocated memory was 195.0MB in the beginning and 513.8MB in the end (delta: 318.8MB). Free memory was 91.3MB in the beginning and 125.6MB in the end (delta: -34.3MB). Peak memory consumption was 285.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:29:36,281 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:29:36,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:29:37,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:29:38,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:29:38,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:29:38,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:29:38,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:29:38,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:29:38,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:29:38,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:29:38,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:29:38,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:29:38,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:29:38,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:29:38,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:29:38,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:29:38,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:29:38,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:29:38,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:29:38,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:29:38,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:29:38,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:29:38,047 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:29:38,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:29:38,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:29:38,048 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:29:38,049 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:29:38,049 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:29:38,050 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:38,050 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:29:38,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:29:38,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:38,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:29:38,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:29:38,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:29:38,052 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:29:38,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:38,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:29:38,053 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:29:38,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:29:38,053 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_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-12-03 01:29:38,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:29:38,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:29:38,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:29:38,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:29:38,376 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:29:38,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-03 01:29:41,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:29:41,418 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:29:41,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-03 01:29:41,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data/ef5668986/9c5c5b3a5b8c41b387865c767a5cf8af/FLAGb3a0e8c04 [2023-12-03 01:29:41,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/data/ef5668986/9c5c5b3a5b8c41b387865c767a5cf8af [2023-12-03 01:29:41,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:29:41,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:29:41,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:41,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:29:41,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:29:41,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:41" (1/1) ... [2023-12-03 01:29:41,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330875f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:41, skipping insertion in model container [2023-12-03 01:29:41,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:41" (1/1) ... [2023-12-03 01:29:41,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:29:42,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:42,230 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:29:42,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:29:42,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:42,328 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:29:42,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:42,460 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:29:42,465 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:29:42,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42 WrapperNode [2023-12-03 01:29:42,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:42,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:42,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:29:42,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:29:42,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,580 INFO L138 Inliner]: procedures = 285, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1217 [2023-12-03 01:29:42,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:42,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:29:42,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:29:42,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:29:42,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:29:42,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:29:42,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:29:42,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:29:42,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:42" (1/1) ... [2023-12-03 01:29:42,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:42,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:29:42,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:29:42,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:29:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-03 01:29:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:29:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:29:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 01:29:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 01:29:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:29:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:29:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:29:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:29:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 01:29:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 01:29:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:29:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 01:29:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 01:29:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:29:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:29:42,988 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:29:42,989 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:29:53,219 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:29:53,765 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:29:53,765 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 01:29:53,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:53 BoogieIcfgContainer [2023-12-03 01:29:53,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:29:53,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:29:53,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:29:53,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:29:53,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:53" (1/1) ... [2023-12-03 01:29:53,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:29:53,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-12-03 01:29:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-03 01:29:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:29:53,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:53,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:53,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:53,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:53,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d10313c-b6fa-4e2a-bf23-f40d949cd27e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process