./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_5.c --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 de325976 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-simple/recursified_nested_5.c -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 c9dfd2bf12e8d041fe6d1d6bf651e6b1ba93f167a26b0485680374a443f598c5 --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-de32597-m [2024-09-17 19:25:17,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:25:17,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-17 19:25:18,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:25:18,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:25:18,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:25:18,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:25:18,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:25:18,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:25:18,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:25:18,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:25:18,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:25:18,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:25:18,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:25:18,040 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:25:18,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:25:18,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:25:18,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:25:18,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:25:18,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:25:18,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:25:18,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:25:18,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:25:18,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:25:18,043 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:25:18,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:25:18,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:25:18,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:25:18,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:25:18,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:25:18,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:25:18,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:25:18,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:25:18,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:25:18,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:25:18,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:25:18,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:25:18,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:25:18,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:25:18,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:25:18,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:25:18,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:25:18,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9dfd2bf12e8d041fe6d1d6bf651e6b1ba93f167a26b0485680374a443f598c5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-17 19:25:18,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:25:18,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:25:18,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:25:18,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:25:18,293 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:25:18,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_5.c [2024-09-17 19:25:19,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:25:19,795 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:25:19,796 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_5.c [2024-09-17 19:25:19,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/55ab86420/0155bfc0b1a947fd9e4367249225abf5/FLAG61f29d47b [2024-09-17 19:25:19,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/55ab86420/0155bfc0b1a947fd9e4367249225abf5 [2024-09-17 19:25:19,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:25:19,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-17 19:25:19,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:25:19,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:25:19,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:25:19,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:25:19" (1/1) ... [2024-09-17 19:25:19,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2094bcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:19, skipping insertion in model container [2024-09-17 19:25:19,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:25:19" (1/1) ... [2024-09-17 19:25:19,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:25:19,972 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-simple/recursified_nested_5.c[2721,2734] [2024-09-17 19:25:19,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:25:19,987 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:25:20,011 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-simple/recursified_nested_5.c[2721,2734] [2024-09-17 19:25:20,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:25:20,027 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:25:20,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20 WrapperNode [2024-09-17 19:25:20,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:25:20,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-17 19:25:20,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-17 19:25:20,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-17 19:25:20,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,047 INFO L138 Inliner]: procedures = 16, calls = 62, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-17 19:25:20,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-17 19:25:20,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:25:20,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:25:20,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:25:20,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,082 INFO L175 MemorySlicer]: Split 32 memory accesses to 6 slices as follows [2, 6, 6, 6, 6, 6]. 19 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 1, 1, 1, 1, 1]. The 10 writes are split as follows [0, 2, 2, 2, 2, 2]. [2024-09-17 19:25:20,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:25:20,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:25:20,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:25:20,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:25:20,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (1/1) ... [2024-09-17 19:25:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:25:20,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:20,137 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) [2024-09-17 19:25:20,143 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 [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:25:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-09-17 19:25:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-09-17 19:25:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_24_to_25_0 [2024-09-17 19:25:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_24_to_25_0 [2024-09-17 19:25:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:25:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:25:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_23_to_24_0 [2024-09-17 19:25:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_23_to_24_0 [2024-09-17 19:25:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_26_0 [2024-09-17 19:25:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_26_0 [2024-09-17 19:25:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:25:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_27_0 [2024-09-17 19:25:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_27_0 [2024-09-17 19:25:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_27_0 [2024-09-17 19:25:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_27_0 [2024-09-17 19:25:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:25:20,277 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:25:20,279 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:25:20,566 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-17 19:25:20,566 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:25:20,588 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:25:20,589 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:25:20,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:25:20 BoogieIcfgContainer [2024-09-17 19:25:20,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:25:20,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-17 19:25:20,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-17 19:25:20,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-17 19:25:20,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.09 07:25:19" (1/3) ... [2024-09-17 19:25:20,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b28dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 07:25:20, skipping insertion in model container [2024-09-17 19:25:20,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:25:20" (2/3) ... [2024-09-17 19:25:20,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b28dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 07:25:20, skipping insertion in model container [2024-09-17 19:25:20,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:25:20" (3/3) ... [2024-09-17 19:25:20,596 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_nested_5.c [2024-09-17 19:25:20,609 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-17 19:25:20,609 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-17 19:25:20,655 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-17 19:25:20,663 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;@3b9a9234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-17 19:25:20,664 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-17 19:25:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 39 states have internal predecessors, (44), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-17 19:25:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-09-17 19:25:20,673 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:20,674 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:20,674 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:20,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:20,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2131261859, now seen corresponding path program 1 times [2024-09-17 19:25:20,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:20,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701048135] [2024-09-17 19:25:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:20,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-17 19:25:21,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701048135] [2024-09-17 19:25:21,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701048135] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:21,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-17 19:25:21,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465794724] [2024-09-17 19:25:21,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:21,182 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-17 19:25:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:21,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-17 19:25:21,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-17 19:25:21,206 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 39 states have internal predecessors, (44), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-17 19:25:21,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:21,520 INFO L93 Difference]: Finished difference Result 79 states and 102 transitions. [2024-09-17 19:25:21,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-17 19:25:21,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-09-17 19:25:21,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:21,532 INFO L225 Difference]: With dead ends: 79 [2024-09-17 19:25:21,532 INFO L226 Difference]: Without dead ends: 60 [2024-09-17 19:25:21,534 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-17 19:25:21,538 INFO L434 NwaCegarLoop]: 44 mSDtfsCounter, 16 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:21,539 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 135 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-17 19:25:21,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-17 19:25:21,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2024-09-17 19:25:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.28125) internal successors, (41), 37 states have internal predecessors, (41), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-09-17 19:25:21,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2024-09-17 19:25:21,574 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 20 [2024-09-17 19:25:21,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:21,574 INFO L474 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-09-17 19:25:21,574 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-17 19:25:21,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2024-09-17 19:25:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-09-17 19:25:21,577 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:21,577 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, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:21,577 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-17 19:25:21,578 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:21,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:21,578 INFO L85 PathProgramCache]: Analyzing trace with hash -228908197, now seen corresponding path program 1 times [2024-09-17 19:25:21,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:21,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50955847] [2024-09-17 19:25:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:21,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,740 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-17 19:25:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-17 19:25:21,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:21,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50955847] [2024-09-17 19:25:21,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50955847] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:21,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:21,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-17 19:25:21,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074113946] [2024-09-17 19:25:21,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:21,905 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-17 19:25:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-17 19:25:21,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-17 19:25:21,909 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-09-17 19:25:22,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:22,115 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2024-09-17 19:25:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-17 19:25:22,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 31 [2024-09-17 19:25:22,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:22,117 INFO L225 Difference]: With dead ends: 106 [2024-09-17 19:25:22,118 INFO L226 Difference]: Without dead ends: 60 [2024-09-17 19:25:22,119 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:22,120 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 33 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:22,121 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 130 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-17 19:25:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2024-09-17 19:25:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-09-17 19:25:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-09-17 19:25:22,136 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 31 [2024-09-17 19:25:22,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:22,136 INFO L474 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-09-17 19:25:22,137 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-09-17 19:25:22,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-09-17 19:25:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-09-17 19:25:22,140 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:22,140 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:22,140 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-17 19:25:22,141 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:22,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:22,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1600919218, now seen corresponding path program 1 times [2024-09-17 19:25:22,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012800010] [2024-09-17 19:25:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-17 19:25:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-17 19:25:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-17 19:25:22,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012800010] [2024-09-17 19:25:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012800010] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:22,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:22,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-17 19:25:22,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649794604] [2024-09-17 19:25:22,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:22,430 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-17 19:25:22,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:22,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-17 19:25:22,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-17 19:25:22,431 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-17 19:25:22,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:22,596 INFO L93 Difference]: Finished difference Result 108 states and 140 transitions. [2024-09-17 19:25:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-17 19:25:22,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 42 [2024-09-17 19:25:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:22,598 INFO L225 Difference]: With dead ends: 108 [2024-09-17 19:25:22,598 INFO L226 Difference]: Without dead ends: 60 [2024-09-17 19:25:22,598 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-09-17 19:25:22,599 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 35 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:22,599 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 133 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:22,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-17 19:25:22,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2024-09-17 19:25:22,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 39 states have internal predecessors, (43), 12 states have call successors, (12), 7 states have call predecessors, (12), 9 states have return successors, (14), 11 states have call predecessors, (14), 11 states have call successors, (14) [2024-09-17 19:25:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2024-09-17 19:25:22,610 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 42 [2024-09-17 19:25:22,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:22,610 INFO L474 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2024-09-17 19:25:22,611 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-17 19:25:22,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2024-09-17 19:25:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-09-17 19:25:22,614 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:22,614 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:22,614 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-17 19:25:22,614 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:22,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 353083133, now seen corresponding path program 1 times [2024-09-17 19:25:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:22,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553691622] [2024-09-17 19:25:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-17 19:25:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-17 19:25:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:22,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-09-17 19:25:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-17 19:25:23,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:23,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553691622] [2024-09-17 19:25:23,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553691622] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:23,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:23,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-17 19:25:23,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561572375] [2024-09-17 19:25:23,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:23,005 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-17 19:25:23,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:23,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-17 19:25:23,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:23,007 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-09-17 19:25:23,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:23,203 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2024-09-17 19:25:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-17 19:25:23,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 53 [2024-09-17 19:25:23,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:23,205 INFO L225 Difference]: With dead ends: 110 [2024-09-17 19:25:23,205 INFO L226 Difference]: Without dead ends: 60 [2024-09-17 19:25:23,205 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-17 19:25:23,206 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 35 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:23,206 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 166 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-17 19:25:23,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2024-09-17 19:25:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 40 states have internal predecessors, (44), 12 states have call successors, (12), 7 states have call predecessors, (12), 10 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) [2024-09-17 19:25:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2024-09-17 19:25:23,213 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 53 [2024-09-17 19:25:23,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:23,213 INFO L474 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2024-09-17 19:25:23,213 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-09-17 19:25:23,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2024-09-17 19:25:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-09-17 19:25:23,215 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:23,215 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:23,215 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-17 19:25:23,215 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:23,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash 845838183, now seen corresponding path program 1 times [2024-09-17 19:25:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337585776] [2024-09-17 19:25:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-17 19:25:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-17 19:25:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-09-17 19:25:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-17 19:25:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-17 19:25:23,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:23,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337585776] [2024-09-17 19:25:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337585776] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:23,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:23,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-17 19:25:23,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275372326] [2024-09-17 19:25:23,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:23,601 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-17 19:25:23,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:23,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-17 19:25:23,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-09-17 19:25:23,602 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (11), 6 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-17 19:25:23,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:23,771 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2024-09-17 19:25:23,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-17 19:25:23,772 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (11), 6 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 64 [2024-09-17 19:25:23,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:23,773 INFO L225 Difference]: With dead ends: 112 [2024-09-17 19:25:23,773 INFO L226 Difference]: Without dead ends: 60 [2024-09-17 19:25:23,773 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-09-17 19:25:23,774 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 55 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:23,774 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 140 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:23,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-17 19:25:23,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-09-17 19:25:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.25) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 11 states have return successors, (16), 11 states have call predecessors, (16), 11 states have call successors, (16) [2024-09-17 19:25:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2024-09-17 19:25:23,787 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 64 [2024-09-17 19:25:23,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:23,787 INFO L474 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2024-09-17 19:25:23,788 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (11), 6 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-17 19:25:23,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2024-09-17 19:25:23,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-09-17 19:25:23,792 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:23,792 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:23,792 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-17 19:25:23,792 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:23,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:23,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1549978485, now seen corresponding path program 1 times [2024-09-17 19:25:23,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:23,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960899064] [2024-09-17 19:25:23,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:23,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-17 19:25:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-09-17 19:25:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-09-17 19:25:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,500 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-09-17 19:25:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-09-17 19:25:24,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:24,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960899064] [2024-09-17 19:25:24,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960899064] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:24,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509195388] [2024-09-17 19:25:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:24,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:24,508 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) [2024-09-17 19:25:24,509 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-17 19:25:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:24,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-17 19:25:24,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:24,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-17 19:25:24,758 WARN L876 $PredicateComparison]: unable to prove that (exists ((func_to_recursive_line_23_to_24_0_~a.offset Int)) (= |c_#memory_int#5| (store |c_old(#memory_int#5)| |c_func_to_recursive_line_23_to_24_0_#in~a.base| (let ((.cse0 (select |c_old(#memory_int#5)| |c_func_to_recursive_line_23_to_24_0_#in~a.base|))) (store .cse0 func_to_recursive_line_23_to_24_0_~a.offset (+ (select .cse0 func_to_recursive_line_23_to_24_0_~a.offset) 1)))))) is different from true [2024-09-17 19:25:24,826 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-09-17 19:25:24,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2024-09-17 19:25:24,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-09-17 19:25:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 2 not checked. [2024-09-17 19:25:24,894 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:25:24,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509195388] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:24,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-17 19:25:24,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2024-09-17 19:25:24,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46790150] [2024-09-17 19:25:24,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-17 19:25:24,996 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-17 19:25:24,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:24,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-17 19:25:24,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=324, Unknown=1, NotChecked=36, Total=420 [2024-09-17 19:25:24,997 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand has 19 states, 16 states have (on average 3.9375) internal successors, (63), 13 states have internal predecessors, (63), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (21), 6 states have call predecessors, (21), 7 states have call successors, (21) [2024-09-17 19:25:25,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:25,422 INFO L93 Difference]: Finished difference Result 126 states and 164 transitions. [2024-09-17 19:25:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-17 19:25:25,422 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 3.9375) internal successors, (63), 13 states have internal predecessors, (63), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (21), 6 states have call predecessors, (21), 7 states have call successors, (21) Word has length 69 [2024-09-17 19:25:25,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:25,423 INFO L225 Difference]: With dead ends: 126 [2024-09-17 19:25:25,423 INFO L226 Difference]: Without dead ends: 70 [2024-09-17 19:25:25,424 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=727, Unknown=1, NotChecked=56, Total=930 [2024-09-17 19:25:25,424 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 126 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 167 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:25,424 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 179 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 488 Invalid, 0 Unknown, 167 Unchecked, 0.3s Time] [2024-09-17 19:25:25,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-09-17 19:25:25,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2024-09-17 19:25:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 45 states have internal predecessors, (51), 12 states have call successors, (12), 8 states have call predecessors, (12), 13 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) [2024-09-17 19:25:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2024-09-17 19:25:25,440 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 69 [2024-09-17 19:25:25,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:25,440 INFO L474 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-09-17 19:25:25,440 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 3.9375) internal successors, (63), 13 states have internal predecessors, (63), 7 states have call successors, (22), 7 states have call predecessors, (22), 6 states have return successors, (21), 6 states have call predecessors, (21), 7 states have call successors, (21) [2024-09-17 19:25:25,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2024-09-17 19:25:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-17 19:25:25,441 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:25,441 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:25,459 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-17 19:25:25,648 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-17 19:25:25,648 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:25,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:25,648 INFO L85 PathProgramCache]: Analyzing trace with hash -364586089, now seen corresponding path program 1 times [2024-09-17 19:25:25,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:25,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890094215] [2024-09-17 19:25:25,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:25,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-17 19:25:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-17 19:25:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-17 19:25:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-17 19:25:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-17 19:25:25,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890094215] [2024-09-17 19:25:25,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890094215] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:25,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:25,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-17 19:25:25,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407786866] [2024-09-17 19:25:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:25,828 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-17 19:25:25,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-17 19:25:25,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:25,829 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-09-17 19:25:25,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:25,933 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2024-09-17 19:25:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-17 19:25:25,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-09-17 19:25:25,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:25,934 INFO L225 Difference]: With dead ends: 78 [2024-09-17 19:25:25,934 INFO L226 Difference]: Without dead ends: 71 [2024-09-17 19:25:25,934 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:25,935 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 55 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:25,935 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 141 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-09-17 19:25:25,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-09-17 19:25:25,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 47 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 13 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) [2024-09-17 19:25:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2024-09-17 19:25:25,950 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 74 [2024-09-17 19:25:25,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:25,952 INFO L474 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2024-09-17 19:25:25,952 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-09-17 19:25:25,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:25,952 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2024-09-17 19:25:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-17 19:25:25,953 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:25,953 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:25,953 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-17 19:25:25,966 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:25,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:25,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1410421273, now seen corresponding path program 1 times [2024-09-17 19:25:25,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:25,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562074937] [2024-09-17 19:25:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:25,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-17 19:25:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-17 19:25:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-17 19:25:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-17 19:25:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-17 19:25:26,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:26,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562074937] [2024-09-17 19:25:26,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562074937] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:26,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:26,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-17 19:25:26,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138542526] [2024-09-17 19:25:26,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:26,131 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-17 19:25:26,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:26,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-17 19:25:26,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:26,132 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-09-17 19:25:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:26,222 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2024-09-17 19:25:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-17 19:25:26,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-09-17 19:25:26,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:26,224 INFO L225 Difference]: With dead ends: 78 [2024-09-17 19:25:26,224 INFO L226 Difference]: Without dead ends: 73 [2024-09-17 19:25:26,224 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:26,225 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 57 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:26,225 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 124 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:26,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-09-17 19:25:26,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-09-17 19:25:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 49 states have internal predecessors, (55), 12 states have call successors, (12), 8 states have call predecessors, (12), 13 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) [2024-09-17 19:25:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 86 transitions. [2024-09-17 19:25:26,233 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 86 transitions. Word has length 74 [2024-09-17 19:25:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:26,233 INFO L474 AbstractCegarLoop]: Abstraction has 72 states and 86 transitions. [2024-09-17 19:25:26,234 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-09-17 19:25:26,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 86 transitions. [2024-09-17 19:25:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-17 19:25:26,234 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:26,234 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:26,235 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-17 19:25:26,235 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:26,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1412268315, now seen corresponding path program 1 times [2024-09-17 19:25:26,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:26,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511796991] [2024-09-17 19:25:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:26,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-17 19:25:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-17 19:25:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-17 19:25:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-17 19:25:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-17 19:25:26,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:26,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511796991] [2024-09-17 19:25:26,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511796991] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-17 19:25:26,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-17 19:25:26,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-17 19:25:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163525513] [2024-09-17 19:25:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-17 19:25:26,379 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-17 19:25:26,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:26,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-17 19:25:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:26,380 INFO L87 Difference]: Start difference. First operand 72 states and 86 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-09-17 19:25:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:26,513 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2024-09-17 19:25:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-17 19:25:26,513 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-09-17 19:25:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:26,514 INFO L225 Difference]: With dead ends: 78 [2024-09-17 19:25:26,514 INFO L226 Difference]: Without dead ends: 75 [2024-09-17 19:25:26,514 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-17 19:25:26,515 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 24 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:26,515 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 150 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-17 19:25:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-09-17 19:25:26,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-09-17 19:25:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.1875) internal successors, (57), 51 states have internal predecessors, (57), 12 states have call successors, (12), 8 states have call predecessors, (12), 13 states have return successors, (19), 14 states have call predecessors, (19), 11 states have call successors, (19) [2024-09-17 19:25:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 88 transitions. [2024-09-17 19:25:26,529 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 88 transitions. Word has length 74 [2024-09-17 19:25:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:26,529 INFO L474 AbstractCegarLoop]: Abstraction has 74 states and 88 transitions. [2024-09-17 19:25:26,529 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-09-17 19:25:26,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2024-09-17 19:25:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-17 19:25:26,532 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:26,532 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:26,532 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-17 19:25:26,532 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:26,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:26,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1412270237, now seen corresponding path program 1 times [2024-09-17 19:25:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5939840] [2024-09-17 19:25:26,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:26,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-17 19:25:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-17 19:25:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-17 19:25:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-17 19:25:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-17 19:25:27,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:27,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5939840] [2024-09-17 19:25:27,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5939840] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:27,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922729247] [2024-09-17 19:25:27,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:27,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:27,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:27,315 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) [2024-09-17 19:25:27,317 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-17 19:25:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:27,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-17 19:25:27,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:27,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-17 19:25:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-17 19:25:27,636 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:25:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-17 19:25:28,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922729247] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:25:28,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:25:28,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 14] total 32 [2024-09-17 19:25:28,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061818859] [2024-09-17 19:25:28,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:25:28,912 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-17 19:25:28,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:28,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-17 19:25:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=841, Unknown=0, NotChecked=0, Total=992 [2024-09-17 19:25:28,913 INFO L87 Difference]: Start difference. First operand 74 states and 88 transitions. Second operand has 32 states, 25 states have (on average 3.04) internal successors, (76), 24 states have internal predecessors, (76), 10 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (23), 8 states have call predecessors, (23), 10 states have call successors, (23) [2024-09-17 19:25:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:29,393 INFO L93 Difference]: Finished difference Result 144 states and 182 transitions. [2024-09-17 19:25:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-17 19:25:29,394 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 25 states have (on average 3.04) internal successors, (76), 24 states have internal predecessors, (76), 10 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (23), 8 states have call predecessors, (23), 10 states have call successors, (23) Word has length 74 [2024-09-17 19:25:29,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:29,395 INFO L225 Difference]: With dead ends: 144 [2024-09-17 19:25:29,395 INFO L226 Difference]: Without dead ends: 78 [2024-09-17 19:25:29,396 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=1312, Unknown=0, NotChecked=0, Total=1560 [2024-09-17 19:25:29,396 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 48 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:29,396 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 333 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-17 19:25:29,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-09-17 19:25:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-09-17 19:25:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.18) internal successors, (59), 53 states have internal predecessors, (59), 12 states have call successors, (12), 8 states have call predecessors, (12), 15 states have return successors, (21), 16 states have call predecessors, (21), 11 states have call successors, (21) [2024-09-17 19:25:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions. [2024-09-17 19:25:29,403 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 74 [2024-09-17 19:25:29,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:29,403 INFO L474 AbstractCegarLoop]: Abstraction has 78 states and 92 transitions. [2024-09-17 19:25:29,404 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 25 states have (on average 3.04) internal successors, (76), 24 states have internal predecessors, (76), 10 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (23), 8 states have call predecessors, (23), 10 states have call successors, (23) [2024-09-17 19:25:29,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2024-09-17 19:25:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-09-17 19:25:29,404 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:29,405 INFO L216 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:29,417 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-17 19:25:29,608 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-17 19:25:29,609 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:29,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1330374191, now seen corresponding path program 2 times [2024-09-17 19:25:29,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:29,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878635578] [2024-09-17 19:25:29,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:29,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:29,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:30,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:30,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:30,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:30,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:30,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:30,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:25:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-17 19:25:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-09-17 19:25:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-17 19:25:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-17 19:25:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 14 proven. 75 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-09-17 19:25:31,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:31,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878635578] [2024-09-17 19:25:31,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878635578] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:31,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929155451] [2024-09-17 19:25:31,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-17 19:25:31,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:31,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:31,078 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) [2024-09-17 19:25:31,079 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-17 19:25:31,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-17 19:25:31,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:25:31,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-09-17 19:25:31,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:31,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-17 19:25:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-17 19:25:31,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:25:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 10 proven. 103 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-09-17 19:25:32,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929155451] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:25:32,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:25:32,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 18] total 36 [2024-09-17 19:25:32,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356261077] [2024-09-17 19:25:32,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:25:32,967 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-17 19:25:32,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:32,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-17 19:25:32,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1035, Unknown=0, NotChecked=0, Total=1260 [2024-09-17 19:25:32,968 INFO L87 Difference]: Start difference. First operand 78 states and 92 transitions. Second operand has 36 states, 28 states have (on average 3.107142857142857) internal successors, (87), 27 states have internal predecessors, (87), 10 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (30), 9 states have call predecessors, (30), 10 states have call successors, (30) [2024-09-17 19:25:33,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:33,410 INFO L93 Difference]: Finished difference Result 152 states and 191 transitions. [2024-09-17 19:25:33,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-17 19:25:33,410 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 28 states have (on average 3.107142857142857) internal successors, (87), 27 states have internal predecessors, (87), 10 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (30), 9 states have call predecessors, (30), 10 states have call successors, (30) Word has length 105 [2024-09-17 19:25:33,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:33,412 INFO L225 Difference]: With dead ends: 152 [2024-09-17 19:25:33,412 INFO L226 Difference]: Without dead ends: 82 [2024-09-17 19:25:33,413 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 222 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=1472, Unknown=0, NotChecked=0, Total=1806 [2024-09-17 19:25:33,414 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 61 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:33,414 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 444 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-17 19:25:33,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-09-17 19:25:33,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-09-17 19:25:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 55 states have internal predecessors, (61), 12 states have call successors, (12), 8 states have call predecessors, (12), 17 states have return successors, (23), 18 states have call predecessors, (23), 11 states have call successors, (23) [2024-09-17 19:25:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2024-09-17 19:25:33,428 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 105 [2024-09-17 19:25:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:33,429 INFO L474 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2024-09-17 19:25:33,429 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 28 states have (on average 3.107142857142857) internal successors, (87), 27 states have internal predecessors, (87), 10 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (30), 9 states have call predecessors, (30), 10 states have call successors, (30) [2024-09-17 19:25:33,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-09-17 19:25:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-09-17 19:25:33,431 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:33,431 INFO L216 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:33,444 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-17 19:25:33,635 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-17 19:25:33,636 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:33,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:33,636 INFO L85 PathProgramCache]: Analyzing trace with hash 506527149, now seen corresponding path program 3 times [2024-09-17 19:25:33,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:33,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55637332] [2024-09-17 19:25:33,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:34,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:34,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:34,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:34,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-17 19:25:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-17 19:25:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-17 19:25:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-09-17 19:25:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-09-17 19:25:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-17 19:25:35,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:35,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55637332] [2024-09-17 19:25:35,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55637332] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:35,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351803792] [2024-09-17 19:25:35,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-17 19:25:35,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:35,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:35,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-17 19:25:35,894 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-17 19:25:36,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-17 19:25:36,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:25:36,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-17 19:25:36,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:36,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-17 19:25:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-09-17 19:25:36,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:25:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-09-17 19:25:36,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351803792] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:25:36,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:25:36,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9, 10] total 35 [2024-09-17 19:25:36,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266504967] [2024-09-17 19:25:36,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:25:36,647 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-09-17 19:25:36,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:36,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-09-17 19:25:36,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1054, Unknown=0, NotChecked=0, Total=1190 [2024-09-17 19:25:36,649 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 35 states, 27 states have (on average 2.8518518518518516) internal successors, (77), 27 states have internal predecessors, (77), 12 states have call successors, (29), 9 states have call predecessors, (29), 12 states have return successors, (28), 11 states have call predecessors, (28), 12 states have call successors, (28) [2024-09-17 19:25:37,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:37,295 INFO L93 Difference]: Finished difference Result 156 states and 194 transitions. [2024-09-17 19:25:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-17 19:25:37,296 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 2.8518518518518516) internal successors, (77), 27 states have internal predecessors, (77), 12 states have call successors, (29), 9 states have call predecessors, (29), 12 states have return successors, (28), 11 states have call predecessors, (28), 12 states have call successors, (28) Word has length 125 [2024-09-17 19:25:37,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:37,297 INFO L225 Difference]: With dead ends: 156 [2024-09-17 19:25:37,297 INFO L226 Difference]: Without dead ends: 82 [2024-09-17 19:25:37,298 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2024-09-17 19:25:37,298 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 109 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:37,298 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 299 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-17 19:25:37,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-09-17 19:25:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-09-17 19:25:37,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 55 states have internal predecessors, (60), 12 states have call successors, (12), 8 states have call predecessors, (12), 18 states have return successors, (23), 18 states have call predecessors, (23), 11 states have call successors, (23) [2024-09-17 19:25:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2024-09-17 19:25:37,311 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 125 [2024-09-17 19:25:37,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:37,311 INFO L474 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2024-09-17 19:25:37,311 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 2.8518518518518516) internal successors, (77), 27 states have internal predecessors, (77), 12 states have call successors, (29), 9 states have call predecessors, (29), 12 states have return successors, (28), 11 states have call predecessors, (28), 12 states have call successors, (28) [2024-09-17 19:25:37,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2024-09-17 19:25:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-09-17 19:25:37,313 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:37,313 INFO L216 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:37,326 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-17 19:25:37,513 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:37,513 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:37,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash -340521871, now seen corresponding path program 2 times [2024-09-17 19:25:37,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:37,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711383444] [2024-09-17 19:25:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:37,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:38,124 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:38,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:38,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:38,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:38,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-17 19:25:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-17 19:25:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-17 19:25:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-17 19:25:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-17 19:25:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-17 19:25:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 12 proven. 62 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2024-09-17 19:25:39,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:39,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711383444] [2024-09-17 19:25:39,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711383444] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:39,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661427859] [2024-09-17 19:25:39,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-17 19:25:39,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:39,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:39,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-17 19:25:39,459 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-17 19:25:39,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-17 19:25:39,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:25:39,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-17 19:25:39,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:39,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-17 19:25:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 1840 trivial. 0 not checked. [2024-09-17 19:25:39,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:25:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 71 proven. 15 refuted. 0 times theorem prover too weak. 1849 trivial. 0 not checked. [2024-09-17 19:25:41,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661427859] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:25:41,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:25:41,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 14] total 32 [2024-09-17 19:25:41,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274807459] [2024-09-17 19:25:41,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:25:41,315 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-17 19:25:41,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:41,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-17 19:25:41,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2024-09-17 19:25:41,317 INFO L87 Difference]: Start difference. First operand 82 states and 95 transitions. Second operand has 32 states, 25 states have (on average 3.28) internal successors, (82), 23 states have internal predecessors, (82), 13 states have call successors, (44), 11 states have call predecessors, (44), 9 states have return successors, (33), 11 states have call predecessors, (33), 13 states have call successors, (33) [2024-09-17 19:25:41,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:41,723 INFO L93 Difference]: Finished difference Result 160 states and 194 transitions. [2024-09-17 19:25:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-17 19:25:41,723 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 25 states have (on average 3.28) internal successors, (82), 23 states have internal predecessors, (82), 13 states have call successors, (44), 11 states have call predecessors, (44), 9 states have return successors, (33), 11 states have call predecessors, (33), 13 states have call successors, (33) Word has length 250 [2024-09-17 19:25:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:41,724 INFO L225 Difference]: With dead ends: 160 [2024-09-17 19:25:41,724 INFO L226 Difference]: Without dead ends: 86 [2024-09-17 19:25:41,725 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 570 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=259, Invalid=1147, Unknown=0, NotChecked=0, Total=1406 [2024-09-17 19:25:41,725 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 86 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:41,726 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 354 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-17 19:25:41,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-09-17 19:25:41,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-09-17 19:25:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.169811320754717) internal successors, (62), 57 states have internal predecessors, (62), 12 states have call successors, (12), 8 states have call predecessors, (12), 20 states have return successors, (25), 20 states have call predecessors, (25), 11 states have call successors, (25) [2024-09-17 19:25:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 99 transitions. [2024-09-17 19:25:41,738 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 99 transitions. Word has length 250 [2024-09-17 19:25:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:41,738 INFO L474 AbstractCegarLoop]: Abstraction has 86 states and 99 transitions. [2024-09-17 19:25:41,738 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 25 states have (on average 3.28) internal successors, (82), 23 states have internal predecessors, (82), 13 states have call successors, (44), 11 states have call predecessors, (44), 9 states have return successors, (33), 11 states have call predecessors, (33), 13 states have call successors, (33) [2024-09-17 19:25:41,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2024-09-17 19:25:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-09-17 19:25:41,742 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:41,742 INFO L216 NwaCegarLoop]: trace histogram [56, 56, 48, 48, 48, 10, 10, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:41,757 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-17 19:25:41,943 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-17 19:25:41,943 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:41,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:41,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1403660081, now seen corresponding path program 3 times [2024-09-17 19:25:41,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:41,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873735842] [2024-09-17 19:25:41,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:41,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:43,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:43,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:44,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:44,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:45,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,499 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-09-17 19:25:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-09-17 19:25:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-17 19:25:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,643 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,839 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-09-17 19:25:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-09-17 19:25:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-17 19:25:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7621 backedges. 20 proven. 162 refuted. 0 times theorem prover too weak. 7439 trivial. 0 not checked. [2024-09-17 19:25:46,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:46,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873735842] [2024-09-17 19:25:46,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873735842] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:46,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494558442] [2024-09-17 19:25:46,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-17 19:25:46,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:46,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:46,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-17 19:25:46,890 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-17 19:25:47,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-17 19:25:47,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:25:47,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-17 19:25:47,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:47,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-17 19:25:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7621 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 7591 trivial. 0 not checked. [2024-09-17 19:25:47,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:25:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7621 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 7591 trivial. 0 not checked. [2024-09-17 19:25:49,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494558442] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:25:49,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:25:49,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 34 [2024-09-17 19:25:49,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755747330] [2024-09-17 19:25:49,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:25:49,025 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-17 19:25:49,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:25:49,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-17 19:25:49,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=988, Unknown=0, NotChecked=0, Total=1122 [2024-09-17 19:25:49,032 INFO L87 Difference]: Start difference. First operand 86 states and 99 transitions. Second operand has 34 states, 27 states have (on average 2.962962962962963) internal successors, (80), 26 states have internal predecessors, (80), 13 states have call successors, (38), 10 states have call predecessors, (38), 11 states have return successors, (31), 12 states have call predecessors, (31), 13 states have call successors, (31) [2024-09-17 19:25:49,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:25:49,557 INFO L93 Difference]: Finished difference Result 168 states and 202 transitions. [2024-09-17 19:25:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-17 19:25:49,558 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 27 states have (on average 2.962962962962963) internal successors, (80), 26 states have internal predecessors, (80), 13 states have call successors, (38), 10 states have call predecessors, (38), 11 states have return successors, (31), 12 states have call predecessors, (31), 13 states have call successors, (31) Word has length 414 [2024-09-17 19:25:49,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:25:49,559 INFO L225 Difference]: With dead ends: 168 [2024-09-17 19:25:49,559 INFO L226 Difference]: Without dead ends: 90 [2024-09-17 19:25:49,560 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1013 GetRequests, 966 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=320, Invalid=2032, Unknown=0, NotChecked=0, Total=2352 [2024-09-17 19:25:49,560 INFO L434 NwaCegarLoop]: 26 mSDtfsCounter, 126 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-17 19:25:49,561 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 265 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-17 19:25:49,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-17 19:25:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-09-17 19:25:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 59 states have internal predecessors, (64), 12 states have call successors, (12), 8 states have call predecessors, (12), 22 states have return successors, (27), 22 states have call predecessors, (27), 11 states have call successors, (27) [2024-09-17 19:25:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2024-09-17 19:25:49,568 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 414 [2024-09-17 19:25:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:25:49,569 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2024-09-17 19:25:49,569 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 27 states have (on average 2.962962962962963) internal successors, (80), 26 states have internal predecessors, (80), 13 states have call successors, (38), 10 states have call predecessors, (38), 11 states have return successors, (31), 12 states have call predecessors, (31), 13 states have call successors, (31) [2024-09-17 19:25:49,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-09-17 19:25:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2024-09-17 19:25:49,586 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:25:49,586 INFO L216 NwaCegarLoop]: trace histogram [140, 140, 120, 120, 120, 24, 24, 20, 20, 20, 20, 20, 20, 20, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:25:49,601 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-17 19:25:49,787 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-17 19:25:49,787 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:25:49,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:25:49,787 INFO L85 PathProgramCache]: Analyzing trace with hash 647098033, now seen corresponding path program 4 times [2024-09-17 19:25:49,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:25:49,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120779167] [2024-09-17 19:25:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:25:49,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:25:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:51,655 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:25:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:51,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:25:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-17 19:25:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:53,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-17 19:25:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:54,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:55,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,165 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,644 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,652 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:56,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-17 19:25:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-17 19:25:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-09-17 19:25:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,580 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-17 19:25:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-17 19:25:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:57,996 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:25:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:25:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-17 19:25:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-17 19:25:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,124 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-09-17 19:25:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:25:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 47957 backedges. 218 proven. 433 refuted. 0 times theorem prover too weak. 47306 trivial. 0 not checked. [2024-09-17 19:25:58,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:25:58,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120779167] [2024-09-17 19:25:58,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120779167] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:25:58,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981830270] [2024-09-17 19:25:58,134 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-17 19:25:58,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:25:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:25:58,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-17 19:25:58,137 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-17 19:25:58,947 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-17 19:25:58,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:25:58,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 4246 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-09-17 19:25:58,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:25:59,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-17 19:25:59,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-09-17 19:25:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 47957 backedges. 755 proven. 58 refuted. 0 times theorem prover too weak. 47144 trivial. 0 not checked. [2024-09-17 19:25:59,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:26:00,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-09-17 19:26:00,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-09-17 19:26:01,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-09-17 19:26:01,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-09-17 19:26:02,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981830270] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:26:02,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-17 19:26:02,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 36 [2024-09-17 19:26:02,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325451405] [2024-09-17 19:26:02,091 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-17 19:26:02,092 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-17 19:26:02,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:26:02,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-17 19:26:02,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1752, Unknown=0, NotChecked=0, Total=1892 [2024-09-17 19:26:02,093 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand has 36 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 15 states have call successors, (39), 7 states have call predecessors, (39), 17 states have return successors, (41), 20 states have call predecessors, (41), 15 states have call successors, (41) [2024-09-17 19:26:02,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:26:02,840 INFO L93 Difference]: Finished difference Result 175 states and 209 transitions. [2024-09-17 19:26:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-17 19:26:02,841 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 15 states have call successors, (39), 7 states have call predecessors, (39), 17 states have return successors, (41), 20 states have call predecessors, (41), 15 states have call successors, (41) Word has length 950 [2024-09-17 19:26:02,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:26:02,842 INFO L225 Difference]: With dead ends: 175 [2024-09-17 19:26:02,842 INFO L226 Difference]: Without dead ends: 93 [2024-09-17 19:26:02,843 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=268, Invalid=2924, Unknown=0, NotChecked=0, Total=3192 [2024-09-17 19:26:02,844 INFO L434 NwaCegarLoop]: 37 mSDtfsCounter, 75 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-17 19:26:02,844 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 619 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-17 19:26:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-17 19:26:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-09-17 19:26:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 60 states have internal predecessors, (65), 12 states have call successors, (12), 8 states have call predecessors, (12), 23 states have return successors, (28), 23 states have call predecessors, (28), 11 states have call successors, (28) [2024-09-17 19:26:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2024-09-17 19:26:02,853 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 950 [2024-09-17 19:26:02,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:26:02,853 INFO L474 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2024-09-17 19:26:02,853 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 15 states have call successors, (39), 7 states have call predecessors, (39), 17 states have return successors, (41), 20 states have call predecessors, (41), 15 states have call successors, (41) [2024-09-17 19:26:02,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:26:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-09-17 19:26:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2024-09-17 19:26:02,859 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:26:02,859 INFO L216 NwaCegarLoop]: trace histogram [168, 168, 144, 144, 144, 28, 28, 24, 24, 24, 24, 24, 24, 24, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:26:02,880 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-17 19:26:03,059 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-17 19:26:03,060 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:26:03,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:26:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1317771953, now seen corresponding path program 5 times [2024-09-17 19:26:03,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:26:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619693657] [2024-09-17 19:26:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:26:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:26:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:05,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-17 19:26:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:05,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-17 19:26:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,895 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:07,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,027 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,053 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,087 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-17 19:26:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-17 19:26:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,490 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:08,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,053 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,087 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-17 19:26:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-17 19:26:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-09-17 19:26:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,515 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,690 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-17 19:26:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-17 19:26:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,864 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:09,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,087 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,156 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,167 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-17 19:26:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-17 19:26:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-17 19:26:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,171 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-17 19:26:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-09-17 19:26:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-17 19:26:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 68971 backedges. 26 proven. 53 refuted. 0 times theorem prover too weak. 68892 trivial. 0 not checked. [2024-09-17 19:26:10,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-17 19:26:10,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619693657] [2024-09-17 19:26:10,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619693657] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-17 19:26:10,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244961270] [2024-09-17 19:26:10,177 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-17 19:26:10,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:26:10,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-17 19:26:10,178 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-17 19:26:10,179 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-17 19:29:35,580 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) [2024-09-17 19:29:35,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-17 19:29:35,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 4182 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-17 19:29:35,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-17 19:29:35,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-17 19:29:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 68971 backedges. 26043 proven. 3 refuted. 0 times theorem prover too weak. 42925 trivial. 0 not checked. [2024-09-17 19:29:35,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-17 19:29:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 68971 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 68885 trivial. 0 not checked. [2024-09-17 19:29:39,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244961270] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-17 19:29:39,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-17 19:29:39,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 24 [2024-09-17 19:29:39,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989350424] [2024-09-17 19:29:39,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-17 19:29:39,984 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-17 19:29:39,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-17 19:29:39,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-17 19:29:39,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-09-17 19:29:39,985 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand has 24 states, 19 states have (on average 4.473684210526316) internal successors, (85), 16 states have internal predecessors, (85), 9 states have call successors, (44), 10 states have call predecessors, (44), 6 states have return successors, (32), 6 states have call predecessors, (32), 9 states have call successors, (32) [2024-09-17 19:29:40,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-17 19:29:40,373 INFO L93 Difference]: Finished difference Result 178 states and 210 transitions. [2024-09-17 19:29:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-17 19:29:40,373 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 4.473684210526316) internal successors, (85), 16 states have internal predecessors, (85), 9 states have call successors, (44), 10 states have call predecessors, (44), 6 states have return successors, (32), 6 states have call predecessors, (32), 9 states have call successors, (32) Word has length 1114 [2024-09-17 19:29:40,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-17 19:29:40,375 INFO L225 Difference]: With dead ends: 178 [2024-09-17 19:29:40,376 INFO L226 Difference]: Without dead ends: 94 [2024-09-17 19:29:40,377 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2669 GetRequests, 2640 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2024-09-17 19:29:40,377 INFO L434 NwaCegarLoop]: 34 mSDtfsCounter, 56 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-17 19:29:40,377 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 245 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-17 19:29:40,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-09-17 19:29:40,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-09-17 19:29:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 57 states have (on average 1.1578947368421053) internal successors, (66), 61 states have internal predecessors, (66), 12 states have call successors, (12), 8 states have call predecessors, (12), 24 states have return successors, (29), 24 states have call predecessors, (29), 11 states have call successors, (29) [2024-09-17 19:29:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2024-09-17 19:29:40,392 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 1114 [2024-09-17 19:29:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-17 19:29:40,393 INFO L474 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2024-09-17 19:29:40,393 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 4.473684210526316) internal successors, (85), 16 states have internal predecessors, (85), 9 states have call successors, (44), 10 states have call predecessors, (44), 6 states have return successors, (32), 6 states have call predecessors, (32), 9 states have call successors, (32) [2024-09-17 19:29:40,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:29:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2024-09-17 19:29:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2143 [2024-09-17 19:29:40,431 INFO L208 NwaCegarLoop]: Found error trace [2024-09-17 19:29:40,432 INFO L216 NwaCegarLoop]: trace histogram [336, 336, 288, 288, 288, 56, 56, 48, 48, 48, 48, 48, 48, 48, 12, 12, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-17 19:29:40,554 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-17 19:29:40,632 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-17 19:29:40,633 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-17 19:29:40,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-17 19:29:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash -718318031, now seen corresponding path program 6 times [2024-09-17 19:29:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-17 19:29:40,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827845037] [2024-09-17 19:29:40,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-17 19:29:40,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-17 19:29:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat