./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_3.i --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_3.i -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a78b2f82c5c523b03c70ba898547797b8578723f2b367d871b1e6ef867cb4b5 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 19:52:44,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 19:52:44,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-20 19:52:44,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 19:52:44,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 19:52:44,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 19:52:44,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 19:52:44,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 19:52:44,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 19:52:44,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 19:52:44,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 19:52:44,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 19:52:44,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 19:52:44,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 19:52:44,791 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 19:52:44,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 19:52:44,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 19:52:44,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 19:52:44,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 19:52:44,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 19:52:44,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 19:52:44,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 19:52:44,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 19:52:44,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 19:52:44,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 19:52:44,794 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 19:52:44,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 19:52:44,794 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 19:52:44,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 19:52:44,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 19:52:44,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 19:52:44,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 19:52:44,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 19:52:44,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 19:52:44,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 19:52:44,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 19:52:44,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 19:52:44,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 19:52:44,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 19:52:44,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 19:52:44,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 19:52:44,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 19:52:44,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a78b2f82c5c523b03c70ba898547797b8578723f2b367d871b1e6ef867cb4b5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-20 19:52:44,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 19:52:45,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 19:52:45,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 19:52:45,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 19:52:45,007 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 19:52:45,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_3.i [2024-09-20 19:52:46,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 19:52:46,352 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 19:52:46,353 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_3.i [2024-09-20 19:52:46,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/eda82040a/ee4a57503c0e45f59835a2c12aa41551/FLAG2672fbcd8 [2024-09-20 19:52:46,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/eda82040a/ee4a57503c0e45f59835a2c12aa41551 [2024-09-20 19:52:46,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 19:52:46,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-20 19:52:46,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 19:52:46,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 19:52:46,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 19:52:46,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1bc307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46, skipping insertion in model container [2024-09-20 19:52:46,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 19:52:46,531 WARN L248 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_3.i[1898,1911] [2024-09-20 19:52:46,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 19:52:46,559 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 19:52:46,570 WARN L248 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_3.i[1898,1911] [2024-09-20 19:52:46,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 19:52:46,595 INFO L204 MainTranslator]: Completed translation [2024-09-20 19:52:46,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46 WrapperNode [2024-09-20 19:52:46,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 19:52:46,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-20 19:52:46,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-20 19:52:46,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-20 19:52:46,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,613 INFO L138 Inliner]: procedures = 18, calls = 36, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-20 19:52:46,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-20 19:52:46,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 19:52:46,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 19:52:46,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 19:52:46,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,660 INFO L175 MemorySlicer]: Split 21 memory accesses to 4 slices as follows [12, 2, 3, 4]. 57 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [1, 2, 0, 1]. The 5 writes are split as follows [3, 0, 1, 1]. [2024-09-20 19:52:46,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 19:52:46,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 19:52:46,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 19:52:46,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 19:52:46,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (1/1) ... [2024-09-20 19:52:46,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 19:52:46,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:52:46,717 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) [2024-09-20 19:52:46,719 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 [2024-09-20 19:52:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 19:52:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 19:52:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 19:52:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 19:52:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 19:52:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-20 19:52:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-09-20 19:52:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 19:52:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 19:52:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 19:52:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-20 19:52:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-09-20 19:52:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 19:52:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 19:52:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_41_0 [2024-09-20 19:52:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_41_0 [2024-09-20 19:52:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_44_to_45_0 [2024-09-20 19:52:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_44_to_45_0 [2024-09-20 19:52:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 19:52:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 19:52:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 19:52:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 19:52:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-20 19:52:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-09-20 19:52:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 19:52:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 19:52:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 19:52:46,834 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 19:52:46,836 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 19:52:46,982 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-09-20 19:52:46,983 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 19:52:46,995 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 19:52:46,997 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 19:52:47,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:52:47 BoogieIcfgContainer [2024-09-20 19:52:47,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 19:52:47,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-20 19:52:47,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-20 19:52:47,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-20 19:52:47,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 07:52:46" (1/3) ... [2024-09-20 19:52:47,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a5d21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 07:52:47, skipping insertion in model container [2024-09-20 19:52:47,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:52:46" (2/3) ... [2024-09-20 19:52:47,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a5d21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 07:52:47, skipping insertion in model container [2024-09-20 19:52:47,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:52:47" (3/3) ... [2024-09-20 19:52:47,011 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_simple_array_index_value_3.i [2024-09-20 19:52:47,023 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-20 19:52:47,023 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-20 19:52:47,070 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-20 19:52:47,076 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=All, 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;@3c1d3298, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-20 19:52:47,077 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-20 19:52:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-09-20 19:52:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-20 19:52:47,086 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:52:47,086 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 19:52:47,087 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:52:47,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1199349225, now seen corresponding path program 1 times [2024-09-20 19:52:47,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:52:47,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161557965] [2024-09-20 19:52:47,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:52:47,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:52:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:47,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:52:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:47,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:52:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:52:47,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:52:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161557965] [2024-09-20 19:52:47,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161557965] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:52:47,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:52:47,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-20 19:52:47,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244836362] [2024-09-20 19:52:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:52:47,457 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-20 19:52:47,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:52:47,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-20 19:52:47,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-20 19:52:47,473 INFO L87 Difference]: Start difference. First operand has 31 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-09-20 19:52:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:52:47,637 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2024-09-20 19:52:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-20 19:52:47,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-09-20 19:52:47,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:52:47,646 INFO L225 Difference]: With dead ends: 60 [2024-09-20 19:52:47,646 INFO L226 Difference]: Without dead ends: 34 [2024-09-20 19:52:47,649 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:52:47,651 INFO L434 NwaCegarLoop]: 14 mSDtfsCounter, 22 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 19:52:47,652 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 50 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 19:52:47,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-09-20 19:52:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2024-09-20 19:52:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 20 states have internal predecessors, (20), 8 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-20 19:52:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-09-20 19:52:47,679 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 19 [2024-09-20 19:52:47,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:52:47,680 INFO L474 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-09-20 19:52:47,680 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-09-20 19:52:47,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-09-20 19:52:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-20 19:52:47,682 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:52:47,682 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 19:52:47,682 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-20 19:52:47,682 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:52:47,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:47,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1197502183, now seen corresponding path program 1 times [2024-09-20 19:52:47,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:52:47,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278305913] [2024-09-20 19:52:47,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:52:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:52:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:47,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:52:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:47,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:52:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:52:47,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:52:47,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278305913] [2024-09-20 19:52:47,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278305913] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:52:47,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:52:47,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-20 19:52:47,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920414401] [2024-09-20 19:52:47,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:52:47,968 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-20 19:52:47,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:52:47,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-20 19:52:47,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-20 19:52:47,994 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-20 19:52:48,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:52:48,114 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-09-20 19:52:48,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-20 19:52:48,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-09-20 19:52:48,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:52:48,115 INFO L225 Difference]: With dead ends: 51 [2024-09-20 19:52:48,115 INFO L226 Difference]: Without dead ends: 32 [2024-09-20 19:52:48,116 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:52:48,117 INFO L434 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 19:52:48,117 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 20 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 19:52:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-09-20 19:52:48,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-09-20 19:52:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 21 states have internal predecessors, (21), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-09-20 19:52:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-09-20 19:52:48,122 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 19 [2024-09-20 19:52:48,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:52:48,123 INFO L474 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-09-20 19:52:48,123 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-20 19:52:48,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-09-20 19:52:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-09-20 19:52:48,124 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:52:48,124 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 19:52:48,124 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-20 19:52:48,124 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:52:48,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:48,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1550867151, now seen corresponding path program 1 times [2024-09-20 19:52:48,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:52:48,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127771200] [2024-09-20 19:52:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:52:48,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:52:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:48,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:52:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:48,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:52:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:48,500 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:52:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-20 19:52:48,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:52:48,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127771200] [2024-09-20 19:52:48,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127771200] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:52:48,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082891978] [2024-09-20 19:52:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:52:48,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:52:48,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:52:48,562 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) [2024-09-20 19:52:48,562 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-20 19:52:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:48,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-20 19:52:48,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:52:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-20 19:52:48,831 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:52:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:52:49,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082891978] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:52:49,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:52:49,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 23 [2024-09-20 19:52:49,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751393192] [2024-09-20 19:52:49,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:52:49,205 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-20 19:52:49,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:52:49,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-20 19:52:49,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2024-09-20 19:52:49,210 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 7 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2024-09-20 19:52:49,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:52:49,615 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2024-09-20 19:52:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-20 19:52:49,616 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 7 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 24 [2024-09-20 19:52:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:52:49,617 INFO L225 Difference]: With dead ends: 62 [2024-09-20 19:52:49,617 INFO L226 Difference]: Without dead ends: 43 [2024-09-20 19:52:49,618 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=817, Unknown=0, NotChecked=0, Total=992 [2024-09-20 19:52:49,618 INFO L434 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-20 19:52:49,619 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 40 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-20 19:52:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-09-20 19:52:49,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-09-20 19:52:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 23 states have (on average 1.173913043478261) internal successors, (27), 26 states have internal predecessors, (27), 9 states have call successors, (9), 7 states have call predecessors, (9), 8 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2024-09-20 19:52:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2024-09-20 19:52:49,628 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 24 [2024-09-20 19:52:49,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:52:49,628 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-09-20 19:52:49,628 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 7 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2024-09-20 19:52:49,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2024-09-20 19:52:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-09-20 19:52:49,629 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:52:49,629 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 19:52:49,643 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-20 19:52:49,834 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:52:49,835 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:52:49,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:52:49,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1345242693, now seen corresponding path program 2 times [2024-09-20 19:52:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:52:49,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614184019] [2024-09-20 19:52:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:52:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:52:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:50,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:52:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:50,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:52:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:50,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:52:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:51,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:52:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:51,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:52:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:51,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:52:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:52:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-20 19:52:51,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:52:51,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614184019] [2024-09-20 19:52:51,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614184019] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:52:51,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747460881] [2024-09-20 19:52:51,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 19:52:51,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:52:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:52:51,369 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) [2024-09-20 19:52:51,370 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-20 19:52:51,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 19:52:51,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:52:51,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-09-20 19:52:51,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:52:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-20 19:52:51,819 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:53:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:53:17,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747460881] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:53:17,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:53:17,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 22] total 48 [2024-09-20 19:53:17,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682350302] [2024-09-20 19:53:17,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:53:17,419 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-20 19:53:17,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:53:17,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-20 19:53:17,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=2008, Unknown=6, NotChecked=0, Total=2256 [2024-09-20 19:53:17,421 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 41 states have internal predecessors, (50), 14 states have call successors, (16), 9 states have call predecessors, (16), 16 states have return successors, (16), 14 states have call predecessors, (16), 13 states have call successors, (16) [2024-09-20 19:53:21,958 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 [] [2024-09-20 19:53:25,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:53:30,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:53:34,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:53:38,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:53:42,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:10,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:14,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:18,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:22,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:26,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:30,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:34,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:38,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:42,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:46,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:50,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:54,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:54:58,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:02,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:06,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:10,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:14,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:18,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:22,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:26,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:30,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:34,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:38,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:55:42,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:10,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:14,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:18,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:22,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:26,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:30,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:34,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:38,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:42,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:46,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:50,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:54,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:56:58,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:57:02,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:57:06,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:57:22,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:57:26,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-09-20 19:57:30,971 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 []