./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 06:29:28,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 06:29:28,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-13 06:29:28,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 06:29:28,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 06:29:28,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 06:29:28,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 06:29:28,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 06:29:28,230 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 06:29:28,232 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 06:29:28,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 06:29:28,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 06:29:28,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 06:29:28,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 06:29:28,236 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 06:29:28,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 06:29:28,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 06:29:28,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 06:29:28,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 06:29:28,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 06:29:28,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 06:29:28,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 06:29:28,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 06:29:28,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 06:29:28,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 06:29:28,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 06:29:28,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 06:29:28,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 06:29:28,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 06:29:28,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 06:29:28,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 06:29:28,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 06:29:28,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 06:29:28,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 06:29:28,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 06:29:28,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 06:29:28,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 06:29:28,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 06:29:28,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 06:29:28,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 06:29:28,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 06:29:28,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 06:29:28,244 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 06:29:28,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 06:29:28,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 06:29:28,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 06:29:28,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 06:29:28,554 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 06:29:28,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 06:29:29,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 06:29:30,108 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 06:29:30,109 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 06:29:30,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/0cf196beb/557065fb947c481986a54c4b0f0d40e2/FLAG4c406594e [2024-09-13 06:29:30,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/0cf196beb/557065fb947c481986a54c4b0f0d40e2 [2024-09-13 06:29:30,133 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 06:29:30,133 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 06:29:30,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 06:29:30,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 06:29:30,198 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-13 06:29:30,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 06:29:30,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 06:29:30,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 06:29:30,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 06:29:30" (1/2) ... [2024-09-13 06:29:30,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3845f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:29:30, skipping insertion in model container [2024-09-13 06:29:30,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 06:29:30" (1/2) ... [2024-09-13 06:29:30,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@adabd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 06:29:30, skipping insertion in model container [2024-09-13 06:29:30,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 06:29:30" (2/2) ... [2024-09-13 06:29:30,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3845f3a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30, skipping insertion in model container [2024-09-13 06:29:30,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 06:29:30" (2/2) ... [2024-09-13 06:29:30,227 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 06:29:30,228 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 06:29:30,229 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 06:29:30,229 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 06:29:30,229 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 06:29:30,229 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-13 06:29:30,229 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-13 06:29:30,230 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 06:29:30,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 06:29:30,429 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-13 06:29:30,438 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] [2024-09-13 06:29:30,442 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] [2024-09-13 06:29:30,445 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] [2024-09-13 06:29:30,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 06:29:30,457 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 06:29:30,481 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-13 06:29:30,484 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-13 06:29:30,511 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 06:29:30,523 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-13 06:29:30,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 06:29:30,542 INFO L204 MainTranslator]: Completed translation [2024-09-13 06:29:30,543 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30 WrapperNode [2024-09-13 06:29:30,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 06:29:30,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-13 06:29:30,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-13 06:29:30,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-13 06:29:30,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,597 INFO L138 Inliner]: procedures = 16, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 177 [2024-09-13 06:29:30,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-13 06:29:30,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 06:29:30,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 06:29:30,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 06:29:30,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,627 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 5, 7]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-09-13 06:29:30,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 06:29:30,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 06:29:30,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 06:29:30,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 06:29:30,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (1/1) ... [2024-09-13 06:29:30,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 06:29:30,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 06:29:30,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 06:29:30,695 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 06:29:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 06:29:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-13 06:29:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 06:29:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 06:29:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 06:29:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 06:29:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-13 06:29:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 06:29:30,881 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 06:29:30,882 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 06:29:31,272 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-09-13 06:29:31,273 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 06:29:31,320 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 06:29:31,320 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 06:29:31,323 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 06:29:31 BoogieIcfgContainer [2024-09-13 06:29:31,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 06:29:31,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-13 06:29:31,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-13 06:29:31,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-13 06:29:31,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 06:29:30" (1/4) ... [2024-09-13 06:29:31,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0201b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 06:29:31, skipping insertion in model container [2024-09-13 06:29:31,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 06:29:30" (2/4) ... [2024-09-13 06:29:31,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0201b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.09 06:29:31, skipping insertion in model container [2024-09-13 06:29:31,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 06:29:30" (3/4) ... [2024-09-13 06:29:31,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0201b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.09 06:29:31, skipping insertion in model container [2024-09-13 06:29:31,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 06:29:31" (4/4) ... [2024-09-13 06:29:31,333 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 06:29:31,350 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-13 06:29:31,351 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-09-13 06:29:31,386 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-13 06:29:31,392 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f0d56ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-13 06:29:31,392 INFO L337 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-09-13 06:29:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 54 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-13 06:29:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-13 06:29:31,401 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 06:29:31,401 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 06:29:31,402 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-09-13 06:29:31,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 06:29:31,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1068011173, now seen corresponding path program 1 times [2024-09-13 06:29:31,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 06:29:31,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831196795] [2024-09-13 06:29:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 06:29:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 06:29:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:31,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-13 06:29:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 06:29:31,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 06:29:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831196795] [2024-09-13 06:29:31,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831196795] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 06:29:31,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 06:29:31,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-13 06:29:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384391789] [2024-09-13 06:29:31,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 06:29:32,014 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-13 06:29:32,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 06:29:32,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-13 06:29:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-13 06:29:32,041 INFO L87 Difference]: Start difference. First operand has 57 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 54 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 06:29:32,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 06:29:32,164 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2024-09-13 06:29:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-13 06:29:32,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-09-13 06:29:32,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 06:29:32,176 INFO L225 Difference]: With dead ends: 32 [2024-09-13 06:29:32,177 INFO L226 Difference]: Without dead ends: 29 [2024-09-13 06:29:32,178 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-13 06:29:32,181 INFO L434 NwaCegarLoop]: 25 mSDtfsCounter, 3 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-13 06:29:32,183 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-13 06:29:32,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-09-13 06:29:32,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-09-13 06:29:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 25 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-13 06:29:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2024-09-13 06:29:32,220 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 10 [2024-09-13 06:29:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 06:29:32,221 INFO L474 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2024-09-13 06:29:32,221 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-13 06:29:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-09-13 06:29:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-09-13 06:29:32,222 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 06:29:32,222 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 06:29:32,223 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-13 06:29:32,223 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-09-13 06:29:32,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 06:29:32,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1409034267, now seen corresponding path program 1 times [2024-09-13 06:29:32,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 06:29:32,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295108581] [2024-09-13 06:29:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 06:29:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 06:29:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:32,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-13 06:29:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:32,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:29:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-13 06:29:32,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 06:29:32,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295108581] [2024-09-13 06:29:32,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295108581] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 06:29:32,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050902733] [2024-09-13 06:29:32,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 06:29:32,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 06:29:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 06:29:32,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 06:29:32,858 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-13 06:29:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:32,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-13 06:29:32,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 06:29:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-13 06:29:33,191 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 06:29:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 06:29:33,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050902733] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 06:29:33,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 06:29:33,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 22 [2024-09-13 06:29:33,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694862383] [2024-09-13 06:29:33,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 06:29:33,690 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-13 06:29:33,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 06:29:33,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-13 06:29:33,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2024-09-13 06:29:33,692 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 5 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-09-13 06:29:34,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 06:29:34,081 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2024-09-13 06:29:34,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-13 06:29:34,082 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 5 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 15 [2024-09-13 06:29:34,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 06:29:34,083 INFO L225 Difference]: With dead ends: 40 [2024-09-13 06:29:34,083 INFO L226 Difference]: Without dead ends: 40 [2024-09-13 06:29:34,084 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2024-09-13 06:29:34,085 INFO L434 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-13 06:29:34,085 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-13 06:29:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-09-13 06:29:34,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2024-09-13 06:29:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 30 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-13 06:29:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-09-13 06:29:34,091 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 15 [2024-09-13 06:29:34,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 06:29:34,092 INFO L474 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-09-13 06:29:34,092 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 5 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-09-13 06:29:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-09-13 06:29:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-09-13 06:29:34,093 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 06:29:34,093 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 06:29:34,110 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-13 06:29:34,297 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 06:29:34,298 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-09-13 06:29:34,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 06:29:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1001030101, now seen corresponding path program 2 times [2024-09-13 06:29:34,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 06:29:34,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923051836] [2024-09-13 06:29:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 06:29:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 06:29:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:34,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-13 06:29:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:35,476 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:29:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:35,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:29:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:36,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:29:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:36,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:29:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:29:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-13 06:29:36,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 06:29:36,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923051836] [2024-09-13 06:29:36,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923051836] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 06:29:36,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557801624] [2024-09-13 06:29:36,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-13 06:29:36,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 06:29:36,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 06:29:36,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 06:29:36,467 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-13 06:29:36,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-13 06:29:36,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 06:29:36,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-09-13 06:29:36,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 06:29:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-13 06:29:37,103 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 06:30:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 06:30:03,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557801624] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 06:30:03,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 06:30:03,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 21] total 47 [2024-09-13 06:30:03,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081763506] [2024-09-13 06:30:03,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 06:30:03,261 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-13 06:30:03,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 06:30:03,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-13 06:30:03,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=2008, Unknown=6, NotChecked=0, Total=2256 [2024-09-13 06:30:03,266 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 48 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 40 states have internal predecessors, (46), 12 states have call successors, (12), 7 states have call predecessors, (12), 15 states have return successors, (15), 13 states have call predecessors, (15), 12 states have call successors, (15) [2024-09-13 06:30:08,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:30:12,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:30:16,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:30:20,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:30:24,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:30:28,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:30:56,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:00,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:04,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:08,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:12,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:16,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:20,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:24,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:28,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:32,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:36,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:40,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:44,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:48,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:52,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:31:56,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:00,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:04,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:08,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:12,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:16,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:20,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:24,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:28,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:32:56,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:00,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:04,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:08,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:12,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:16,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:20,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:24,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:28,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:32,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:36,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:40,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:44,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:49,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:33:53,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:09,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:13,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:17,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:21,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:25,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:29,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:33,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:37,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:41,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:45,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:49,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:53,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:34:57,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:01,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:05,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:09,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:13,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:17,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:21,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:25,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:29,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:33,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:37,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:41,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:45,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:49,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:53,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:35:57,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:36:01,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:36:05,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:36:07,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 06:36:07,140 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2024-09-13 06:36:07,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-13 06:36:07,141 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 40 states have internal predecessors, (46), 12 states have call successors, (12), 7 states have call predecessors, (12), 15 states have return successors, (15), 13 states have call predecessors, (15), 12 states have call successors, (15) Word has length 30 [2024-09-13 06:36:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 06:36:07,143 INFO L225 Difference]: With dead ends: 83 [2024-09-13 06:36:07,143 INFO L226 Difference]: Without dead ends: 79 [2024-09-13 06:36:07,145 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 87.8s TimeCoverageRelationStatistics Valid=830, Invalid=5469, Unknown=21, NotChecked=0, Total=6320 [2024-09-13 06:36:07,146 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 113 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 169 mSolverCounterUnsat, 75 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 300.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 75 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 301.6s IncrementalHoareTripleChecker+Time [2024-09-13 06:36:07,148 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 486 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 389 Invalid, 75 Unknown, 0 Unchecked, 301.6s Time] [2024-09-13 06:36:07,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-09-13 06:36:07,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 59. [2024-09-13 06:36:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 42 states have internal predecessors, (47), 6 states have call successors, (6), 5 states have call predecessors, (6), 11 states have return successors, (12), 11 states have call predecessors, (12), 6 states have call successors, (12) [2024-09-13 06:36:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2024-09-13 06:36:07,166 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 30 [2024-09-13 06:36:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 06:36:07,167 INFO L474 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2024-09-13 06:36:07,167 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 40 states have internal predecessors, (46), 12 states have call successors, (12), 7 states have call predecessors, (12), 15 states have return successors, (15), 13 states have call predecessors, (15), 12 states have call successors, (15) [2024-09-13 06:36:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-09-13 06:36:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-09-13 06:36:07,169 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 06:36:07,169 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 06:36:07,186 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-13 06:36:07,373 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 06:36:07,374 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-09-13 06:36:07,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 06:36:07,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1823212701, now seen corresponding path program 3 times [2024-09-13 06:36:07,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 06:36:07,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172689933] [2024-09-13 06:36:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 06:36:07,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 06:36:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:09,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-09-13 06:36:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:10,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:12,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:13,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:14,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:15,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:15,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:16,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:16,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:16,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:16,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-13 06:36:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 06:36:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-13 06:36:17,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 06:36:17,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172689933] [2024-09-13 06:36:17,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172689933] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 06:36:17,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180793021] [2024-09-13 06:36:17,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-13 06:36:17,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 06:36:17,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 06:36:17,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-13 06:36:17,089 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-13 06:36:20,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-09-13 06:36:20,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 06:36:20,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-09-13 06:36:20,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 06:36:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-09-13 06:36:21,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 06:39:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 06:39:31,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180793021] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 06:39:31,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 06:39:31,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 17, 45] total 95 [2024-09-13 06:39:31,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026494035] [2024-09-13 06:39:31,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 06:39:31,529 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-09-13 06:39:31,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 06:39:31,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-09-13 06:39:31,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=8365, Unknown=45, NotChecked=0, Total=9120 [2024-09-13 06:39:31,533 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand has 96 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 82 states have internal predecessors, (88), 24 states have call successors, (24), 13 states have call predecessors, (24), 33 states have return successors, (33), 31 states have call predecessors, (33), 24 states have call successors, (33) [2024-09-13 06:39:38,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:39:42,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:39:46,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:39:50,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:39:54,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:39:58,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:02,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:06,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:10,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:14,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:18,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:22,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:26,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:30,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:34,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:38,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:42,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:40:46,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:03,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:07,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:11,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:15,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:19,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:23,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:27,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:31,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:35,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:39,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:43,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:47,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:51,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:55,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:42:59,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:03,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:07,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:11,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:15,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:19,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:23,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:27,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:31,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:35,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:39,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:43,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:47,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-13 06:43:51,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15