./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 ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_loop-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-ca4ee3d-m [2024-09-20 19:54:41,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 19:54:41,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-20 19:54:41,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 19:54:41,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 19:54:41,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 19:54:41,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 19:54:41,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 19:54:41,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 19:54:41,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 19:54:41,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 19:54:41,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 19:54:41,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 19:54:41,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 19:54:41,774 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 19:54:41,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 19:54:41,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 19:54:41,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 19:54:41,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 19:54:41,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 19:54:41,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 19:54:41,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 19:54:41,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 19:54:41,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 19:54:41,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 19:54:41,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 19:54:41,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 19:54:41,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 19:54:41,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 19:54:41,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 19:54:41,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 19:54:41,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 19:54:41,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 19:54:41,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 19:54:41,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 19:54:41,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 19:54:41,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 19:54:41,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 19:54:41,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 19:54:41,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 19:54:41,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 19:54:41,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 19:54:41,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9dfd2bf12e8d041fe6d1d6bf651e6b1ba93f167a26b0485680374a443f598c5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-20 19:54:42,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 19:54:42,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 19:54:42,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 19:54:42,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 19:54:42,063 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 19:54:42,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_5.c [2024-09-20 19:54:43,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 19:54:43,727 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 19:54:43,728 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_5.c [2024-09-20 19:54:43,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/4b1e28019/0ce2109b25194312b389f001be9212b2/FLAG8b20f548c [2024-09-20 19:54:43,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/4b1e28019/0ce2109b25194312b389f001be9212b2 [2024-09-20 19:54:43,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 19:54:43,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-20 19:54:43,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 19:54:43,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 19:54:43,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 19:54:43,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:43,769 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 20.09 07:54:43, skipping insertion in model container [2024-09-20 19:54:43,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:43,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 19:54:43,939 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] [2024-09-20 19:54:43,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 19:54:43,952 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 19:54:43,975 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] [2024-09-20 19:54:43,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 19:54:43,992 INFO L204 MainTranslator]: Completed translation [2024-09-20 19:54:43,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43 WrapperNode [2024-09-20 19:54:43,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 19:54:43,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-20 19:54:43,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-20 19:54:43,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-20 19:54:44,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,021 INFO L138 Inliner]: procedures = 16, calls = 62, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-20 19:54:44,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-20 19:54:44,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 19:54:44,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 19:54:44,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 19:54:44,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,068 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]. [2024-09-20 19:54:44,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 19:54:44,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 19:54:44,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 19:54:44,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 19:54:44,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (1/1) ... [2024-09-20 19:54:44,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 19:54:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:54:44,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 19:54:44,148 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 19:54:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 19:54:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 19:54:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 19:54:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-20 19:54:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-09-20 19:54:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-09-20 19:54:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-09-20 19:54:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_24_to_25_0 [2024-09-20 19:54:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_24_to_25_0 [2024-09-20 19:54:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 19:54:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 19:54:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_23_to_24_0 [2024-09-20 19:54:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_23_to_24_0 [2024-09-20 19:54:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_26_0 [2024-09-20 19:54:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_26_0 [2024-09-20 19:54:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 19:54:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 19:54:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 19:54:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 19:54:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-20 19:54:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-09-20 19:54:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-09-20 19:54:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-09-20 19:54:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_27_0 [2024-09-20 19:54:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_27_0 [2024-09-20 19:54:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_27_0 [2024-09-20 19:54:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_27_0 [2024-09-20 19:54:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 19:54:44,307 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 19:54:44,309 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 19:54:44,526 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-20 19:54:44,527 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 19:54:44,545 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 19:54:44,545 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 19:54:44,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:54:44 BoogieIcfgContainer [2024-09-20 19:54:44,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 19:54:44,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-20 19:54:44,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-20 19:54:44,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-20 19:54:44,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 07:54:43" (1/3) ... [2024-09-20 19:54:44,551 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 20.09 07:54:44, skipping insertion in model container [2024-09-20 19:54:44,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:54:43" (2/3) ... [2024-09-20 19:54:44,552 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 20.09 07:54:44, skipping insertion in model container [2024-09-20 19:54:44,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:54:44" (3/3) ... [2024-09-20 19:54:44,553 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_nested_5.c [2024-09-20 19:54:44,564 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-20 19:54:44,565 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-20 19:54:44,611 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-20 19:54:44,616 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] [2024-09-20 19:54:44,617 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-20 19:54:44,620 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) [2024-09-20 19:54:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-09-20 19:54:44,627 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:44,628 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] [2024-09-20 19:54:44,628 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:44,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:44,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2131261859, now seen corresponding path program 1 times [2024-09-20 19:54:44,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:44,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701048135] [2024-09-20 19:54:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:45,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:45,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:54:45,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:45,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701048135] [2024-09-20 19:54:45,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701048135] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:45,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:45,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-20 19:54:45,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465794724] [2024-09-20 19:54:45,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:45,330 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-20 19:54:45,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:45,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-20 19:54:45,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-20 19:54:45,358 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) [2024-09-20 19:54:45,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:45,675 INFO L93 Difference]: Finished difference Result 79 states and 102 transitions. [2024-09-20 19:54:45,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-20 19:54:45,678 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 [2024-09-20 19:54:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:45,687 INFO L225 Difference]: With dead ends: 79 [2024-09-20 19:54:45,687 INFO L226 Difference]: Without dead ends: 60 [2024-09-20 19:54:45,691 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 [2024-09-20 19:54:45,696 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 [2024-09-20 19:54:45,697 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] [2024-09-20 19:54:45,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-20 19:54:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2024-09-20 19:54:45,735 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) [2024-09-20 19:54:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2024-09-20 19:54:45,742 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 20 [2024-09-20 19:54:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:45,744 INFO L474 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-09-20 19:54:45,744 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) [2024-09-20 19:54:45,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2024-09-20 19:54:45,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-09-20 19:54:45,747 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:45,748 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] [2024-09-20 19:54:45,748 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-20 19:54:45,748 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:45,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:45,749 INFO L85 PathProgramCache]: Analyzing trace with hash -228908197, now seen corresponding path program 1 times [2024-09-20 19:54:45,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:45,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50955847] [2024-09-20 19:54:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:45,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:45,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:45,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-20 19:54:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-20 19:54:46,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:46,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50955847] [2024-09-20 19:54:46,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50955847] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:46,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:46,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-20 19:54:46,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074113946] [2024-09-20 19:54:46,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:46,151 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-20 19:54:46,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-20 19:54:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-20 19:54:46,155 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) [2024-09-20 19:54:46,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:46,372 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2024-09-20 19:54:46,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-20 19:54:46,372 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 [2024-09-20 19:54:46,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:46,374 INFO L225 Difference]: With dead ends: 106 [2024-09-20 19:54:46,374 INFO L226 Difference]: Without dead ends: 60 [2024-09-20 19:54:46,375 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 [2024-09-20 19:54:46,375 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, 0.2s IncrementalHoareTripleChecker+Time [2024-09-20 19:54:46,376 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 130 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-20 19:54:46,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-20 19:54:46,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2024-09-20 19:54:46,393 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) [2024-09-20 19:54:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-09-20 19:54:46,398 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 31 [2024-09-20 19:54:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:46,398 INFO L474 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-09-20 19:54:46,398 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) [2024-09-20 19:54:46,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-09-20 19:54:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-09-20 19:54:46,402 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:46,403 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] [2024-09-20 19:54:46,403 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-20 19:54:46,403 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:46,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:46,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1600919218, now seen corresponding path program 1 times [2024-09-20 19:54:46,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:46,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012800010] [2024-09-20 19:54:46,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:46,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,647 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-20 19:54:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,895 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-20 19:54:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-20 19:54:46,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:46,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012800010] [2024-09-20 19:54:46,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012800010] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:46,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:46,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-20 19:54:46,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649794604] [2024-09-20 19:54:46,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:46,903 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-20 19:54:46,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:46,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-20 19:54:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-20 19:54:46,905 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) [2024-09-20 19:54:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:47,100 INFO L93 Difference]: Finished difference Result 108 states and 140 transitions. [2024-09-20 19:54:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-20 19:54:47,100 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 [2024-09-20 19:54:47,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:47,102 INFO L225 Difference]: With dead ends: 108 [2024-09-20 19:54:47,102 INFO L226 Difference]: Without dead ends: 60 [2024-09-20 19:54:47,103 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 [2024-09-20 19:54:47,104 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 [2024-09-20 19:54:47,104 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] [2024-09-20 19:54:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-20 19:54:47,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2024-09-20 19:54:47,113 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) [2024-09-20 19:54:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2024-09-20 19:54:47,114 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 42 [2024-09-20 19:54:47,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:47,114 INFO L474 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2024-09-20 19:54:47,115 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) [2024-09-20 19:54:47,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2024-09-20 19:54:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-09-20 19:54:47,117 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:47,117 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] [2024-09-20 19:54:47,117 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-20 19:54:47,118 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:47,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:47,118 INFO L85 PathProgramCache]: Analyzing trace with hash 353083133, now seen corresponding path program 1 times [2024-09-20 19:54:47,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:47,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553691622] [2024-09-20 19:54:47,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:47,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,490 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-20 19:54:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-20 19:54:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-09-20 19:54:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-20 19:54:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:47,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553691622] [2024-09-20 19:54:47,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553691622] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:47,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:47,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-20 19:54:47,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561572375] [2024-09-20 19:54:47,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:47,607 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-20 19:54:47,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:47,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-20 19:54:47,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:47,608 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) [2024-09-20 19:54:47,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:47,854 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2024-09-20 19:54:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-20 19:54:47,854 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 [2024-09-20 19:54:47,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:47,856 INFO L225 Difference]: With dead ends: 110 [2024-09-20 19:54:47,856 INFO L226 Difference]: Without dead ends: 60 [2024-09-20 19:54:47,857 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 [2024-09-20 19:54:47,858 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 35 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-09-20 19:54:47,858 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 166 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-20 19:54:47,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-20 19:54:47,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2024-09-20 19:54:47,867 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) [2024-09-20 19:54:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2024-09-20 19:54:47,869 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 53 [2024-09-20 19:54:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:47,870 INFO L474 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2024-09-20 19:54:47,870 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) [2024-09-20 19:54:47,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2024-09-20 19:54:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-09-20 19:54:47,874 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:47,874 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] [2024-09-20 19:54:47,875 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-20 19:54:47,875 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:47,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:47,876 INFO L85 PathProgramCache]: Analyzing trace with hash 845838183, now seen corresponding path program 1 times [2024-09-20 19:54:47,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:47,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337585776] [2024-09-20 19:54:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-09-20 19:54:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-09-20 19:54:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-09-20 19:54:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-20 19:54:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-20 19:54:48,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:48,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337585776] [2024-09-20 19:54:48,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337585776] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:48,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:48,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-20 19:54:48,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566722180] [2024-09-20 19:54:48,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:48,393 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-20 19:54:48,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:48,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-20 19:54:48,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-09-20 19:54:48,394 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) [2024-09-20 19:54:48,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:48,556 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2024-09-20 19:54:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-20 19:54:48,556 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 [2024-09-20 19:54:48,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:48,558 INFO L225 Difference]: With dead ends: 112 [2024-09-20 19:54:48,558 INFO L226 Difference]: Without dead ends: 60 [2024-09-20 19:54:48,558 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 [2024-09-20 19:54:48,559 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 [2024-09-20 19:54:48,559 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] [2024-09-20 19:54:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-09-20 19:54:48,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-09-20 19:54:48,574 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) [2024-09-20 19:54:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2024-09-20 19:54:48,576 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 64 [2024-09-20 19:54:48,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:48,577 INFO L474 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2024-09-20 19:54:48,577 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) [2024-09-20 19:54:48,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2024-09-20 19:54:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-09-20 19:54:48,579 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:48,582 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] [2024-09-20 19:54:48,582 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-20 19:54:48,583 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:48,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1549978485, now seen corresponding path program 1 times [2024-09-20 19:54:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549249136] [2024-09-20 19:54:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:48,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-09-20 19:54:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,640 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-09-20 19:54:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,643 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-09-20 19:54:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-09-20 19:54:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-09-20 19:54:49,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:49,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549249136] [2024-09-20 19:54:49,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549249136] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:54:49,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361710263] [2024-09-20 19:54:49,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:49,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:54:49,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:54:49,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 19:54:49,654 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-20 19:54:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:49,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-20 19:54:49,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:54:49,890 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 [2024-09-20 19:54:49,988 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 [2024-09-20 19:54:50,056 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2024-09-20 19:54:50,056 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 [2024-09-20 19:54:50,100 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 [2024-09-20 19:54:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 2 not checked. [2024-09-20 19:54:50,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:54:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361710263] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:54:50,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-20 19:54:50,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2024-09-20 19:54:50,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110408419] [2024-09-20 19:54:50,258 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-20 19:54:50,258 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-20 19:54:50,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-20 19:54:50,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=324, Unknown=1, NotChecked=36, Total=420 [2024-09-20 19:54:50,260 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) [2024-09-20 19:54:50,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:50,831 INFO L93 Difference]: Finished difference Result 126 states and 164 transitions. [2024-09-20 19:54:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-20 19:54:50,831 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 [2024-09-20 19:54:50,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:50,833 INFO L225 Difference]: With dead ends: 126 [2024-09-20 19:54:50,833 INFO L226 Difference]: Without dead ends: 70 [2024-09-20 19:54:50,833 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=727, Unknown=1, NotChecked=56, Total=930 [2024-09-20 19:54:50,834 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 126 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-09-20 19:54:50,834 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 179 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 488 Invalid, 0 Unknown, 167 Unchecked, 0.4s Time] [2024-09-20 19:54:50,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-09-20 19:54:50,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2024-09-20 19:54:50,851 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) [2024-09-20 19:54:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2024-09-20 19:54:50,852 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 69 [2024-09-20 19:54:50,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:50,853 INFO L474 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2024-09-20 19:54:50,853 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) [2024-09-20 19:54:50,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2024-09-20 19:54:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-20 19:54:50,858 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:50,858 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] [2024-09-20 19:54:50,880 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-20 19:54:51,058 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 [2024-09-20 19:54:51,059 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:51,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash -364586089, now seen corresponding path program 1 times [2024-09-20 19:54:51,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:51,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997746875] [2024-09-20 19:54:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,156 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-20 19:54:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-20 19:54:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-20 19:54:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-20 19:54:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-20 19:54:51,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:51,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997746875] [2024-09-20 19:54:51,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997746875] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:51,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:51,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-20 19:54:51,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371841968] [2024-09-20 19:54:51,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:51,277 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-20 19:54:51,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:51,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-20 19:54:51,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:51,278 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) [2024-09-20 19:54:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:51,394 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2024-09-20 19:54:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-20 19:54:51,395 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 [2024-09-20 19:54:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:51,396 INFO L225 Difference]: With dead ends: 78 [2024-09-20 19:54:51,396 INFO L226 Difference]: Without dead ends: 71 [2024-09-20 19:54:51,397 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:51,397 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 [2024-09-20 19:54:51,398 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] [2024-09-20 19:54:51,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-09-20 19:54:51,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-09-20 19:54:51,407 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) [2024-09-20 19:54:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2024-09-20 19:54:51,408 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 74 [2024-09-20 19:54:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:51,408 INFO L474 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2024-09-20 19:54:51,409 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) [2024-09-20 19:54:51,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2024-09-20 19:54:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-20 19:54:51,410 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:51,410 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] [2024-09-20 19:54:51,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-20 19:54:51,411 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:51,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1410421273, now seen corresponding path program 1 times [2024-09-20 19:54:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:51,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713704814] [2024-09-20 19:54:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-20 19:54:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-20 19:54:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-20 19:54:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-20 19:54:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-20 19:54:51,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:51,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713704814] [2024-09-20 19:54:51,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713704814] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:51,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:51,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-20 19:54:51,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921044820] [2024-09-20 19:54:51,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:51,599 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-20 19:54:51,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:51,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-20 19:54:51,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:51,599 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) [2024-09-20 19:54:51,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:51,727 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2024-09-20 19:54:51,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-20 19:54:51,728 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 [2024-09-20 19:54:51,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:51,730 INFO L225 Difference]: With dead ends: 78 [2024-09-20 19:54:51,730 INFO L226 Difference]: Without dead ends: 73 [2024-09-20 19:54:51,731 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:51,731 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 [2024-09-20 19:54:51,732 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] [2024-09-20 19:54:51,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-09-20 19:54:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-09-20 19:54:51,746 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) [2024-09-20 19:54:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 86 transitions. [2024-09-20 19:54:51,747 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 86 transitions. Word has length 74 [2024-09-20 19:54:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:51,747 INFO L474 AbstractCegarLoop]: Abstraction has 72 states and 86 transitions. [2024-09-20 19:54:51,748 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) [2024-09-20 19:54:51,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 86 transitions. [2024-09-20 19:54:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-20 19:54:51,749 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:51,750 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] [2024-09-20 19:54:51,750 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-20 19:54:51,750 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:51,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1412268315, now seen corresponding path program 1 times [2024-09-20 19:54:51,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:51,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133370201] [2024-09-20 19:54:51,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:51,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-20 19:54:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-20 19:54:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-20 19:54:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-20 19:54:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-09-20 19:54:51,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:51,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133370201] [2024-09-20 19:54:51,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133370201] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:54:51,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:54:51,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-20 19:54:51,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275932181] [2024-09-20 19:54:51,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:54:51,932 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-20 19:54:51,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:51,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-20 19:54:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:51,933 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) [2024-09-20 19:54:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:52,082 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2024-09-20 19:54:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-20 19:54:52,083 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 [2024-09-20 19:54:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:52,084 INFO L225 Difference]: With dead ends: 78 [2024-09-20 19:54:52,084 INFO L226 Difference]: Without dead ends: 75 [2024-09-20 19:54:52,085 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-20 19:54:52,085 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 [2024-09-20 19:54:52,085 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] [2024-09-20 19:54:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-09-20 19:54:52,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-09-20 19:54:52,097 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) [2024-09-20 19:54:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 88 transitions. [2024-09-20 19:54:52,098 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 88 transitions. Word has length 74 [2024-09-20 19:54:52,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:52,099 INFO L474 AbstractCegarLoop]: Abstraction has 74 states and 88 transitions. [2024-09-20 19:54:52,099 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) [2024-09-20 19:54:52,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2024-09-20 19:54:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-20 19:54:52,100 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:52,100 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] [2024-09-20 19:54:52,100 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-20 19:54:52,100 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:52,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:52,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1412270237, now seen corresponding path program 1 times [2024-09-20 19:54:52,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:52,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756011280] [2024-09-20 19:54:52,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:52,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:52,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:52,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:52,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:52,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-09-20 19:54:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-09-20 19:54:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-09-20 19:54:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-09-20 19:54:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-20 19:54:53,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:53,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756011280] [2024-09-20 19:54:53,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756011280] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:54:53,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200519580] [2024-09-20 19:54:53,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:54:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:54:53,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 19:54:53,133 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-20 19:54:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:53,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-20 19:54:53,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:54:53,307 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 [2024-09-20 19:54:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-20 19:54:53,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:54:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-20 19:54:55,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200519580] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:54:55,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:54:55,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 14] total 32 [2024-09-20 19:54:55,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050835585] [2024-09-20 19:54:55,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:54:55,015 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-20 19:54:55,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:54:55,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-20 19:54:55,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=841, Unknown=0, NotChecked=0, Total=992 [2024-09-20 19:54:55,016 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) [2024-09-20 19:54:55,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:54:55,526 INFO L93 Difference]: Finished difference Result 144 states and 182 transitions. [2024-09-20 19:54:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-20 19:54:55,526 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 [2024-09-20 19:54:55,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:54:55,528 INFO L225 Difference]: With dead ends: 144 [2024-09-20 19:54:55,528 INFO L226 Difference]: Without dead ends: 78 [2024-09-20 19:54:55,530 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=248, Invalid=1312, Unknown=0, NotChecked=0, Total=1560 [2024-09-20 19:54:55,530 INFO L434 NwaCegarLoop]: 42 mSDtfsCounter, 48 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-09-20 19:54:55,530 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] [2024-09-20 19:54:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-09-20 19:54:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-09-20 19:54:55,546 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) [2024-09-20 19:54:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions. [2024-09-20 19:54:55,547 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 74 [2024-09-20 19:54:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:54:55,548 INFO L474 AbstractCegarLoop]: Abstraction has 78 states and 92 transitions. [2024-09-20 19:54:55,548 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) [2024-09-20 19:54:55,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2024-09-20 19:54:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-09-20 19:54:55,549 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:54:55,550 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] [2024-09-20 19:54:55,568 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-20 19:54:55,753 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 [2024-09-20 19:54:55,754 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:54:55,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:54:55,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1330374191, now seen corresponding path program 2 times [2024-09-20 19:54:55,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:54:55,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074718820] [2024-09-20 19:54:55,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:54:55,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:54:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:56,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:54:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:56,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:54:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:56,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:56,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:54:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:54:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:54:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-09-20 19:54:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-20 19:54:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-09-20 19:54:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:54:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 14 proven. 75 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-09-20 19:54:57,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:54:57,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074718820] [2024-09-20 19:54:57,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074718820] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:54:57,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55085750] [2024-09-20 19:54:57,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 19:54:57,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:54:57,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:54:57,799 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) [2024-09-20 19:54:57,801 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-20 19:54:58,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 19:54:58,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:54:58,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-09-20 19:54:58,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:54:58,018 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 [2024-09-20 19:54:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-20 19:54:58,225 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:55:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 10 proven. 103 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-09-20 19:55:00,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55085750] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:55:00,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:55:00,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 18] total 36 [2024-09-20 19:55:00,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119653878] [2024-09-20 19:55:00,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:55:00,135 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-20 19:55:00,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:55:00,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-20 19:55:00,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1035, Unknown=0, NotChecked=0, Total=1260 [2024-09-20 19:55:00,137 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) [2024-09-20 19:55:00,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:55:00,656 INFO L93 Difference]: Finished difference Result 152 states and 191 transitions. [2024-09-20 19:55:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-20 19:55:00,658 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 [2024-09-20 19:55:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:55:00,659 INFO L225 Difference]: With dead ends: 152 [2024-09-20 19:55:00,659 INFO L226 Difference]: Without dead ends: 82 [2024-09-20 19:55:00,660 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 222 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=334, Invalid=1472, Unknown=0, NotChecked=0, Total=1806 [2024-09-20 19:55:00,661 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, 0.4s IncrementalHoareTripleChecker+Time [2024-09-20 19:55:00,661 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 444 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-20 19:55:00,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-09-20 19:55:00,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-09-20 19:55:00,680 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) [2024-09-20 19:55:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2024-09-20 19:55:00,681 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 105 [2024-09-20 19:55:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:55:00,682 INFO L474 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2024-09-20 19:55:00,682 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) [2024-09-20 19:55:00,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-09-20 19:55:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-09-20 19:55:00,685 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:55:00,685 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] [2024-09-20 19:55:00,703 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-20 19:55:00,886 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 [2024-09-20 19:55:00,886 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:55:00,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash 506527149, now seen corresponding path program 3 times [2024-09-20 19:55:00,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:55:00,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850787873] [2024-09-20 19:55:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:55:00,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:55:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:01,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:55:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:01,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:55:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:02,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:02,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:03,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:03,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:03,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:03,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:03,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:03,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-20 19:55:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-09-20 19:55:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,140 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-09-20 19:55:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-09-20 19:55:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-09-20 19:55:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-20 19:55:04,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:55:04,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850787873] [2024-09-20 19:55:04,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850787873] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:55:04,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351803792] [2024-09-20 19:55:04,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-20 19:55:04,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:55:04,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:55:04,149 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) [2024-09-20 19:55:04,150 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-20 19:55:04,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-09-20 19:55:04,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:55:04,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-20 19:55:04,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:55:04,331 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 [2024-09-20 19:55:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-09-20 19:55:04,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:55:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-09-20 19:55:05,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351803792] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:55:05,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:55:05,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9, 10] total 35 [2024-09-20 19:55:05,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266504967] [2024-09-20 19:55:05,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:55:05,118 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-09-20 19:55:05,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:55:05,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-09-20 19:55:05,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1054, Unknown=0, NotChecked=0, Total=1190 [2024-09-20 19:55:05,119 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) [2024-09-20 19:55:05,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:55:05,925 INFO L93 Difference]: Finished difference Result 156 states and 194 transitions. [2024-09-20 19:55:05,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-20 19:55:05,925 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 [2024-09-20 19:55:05,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:55:05,927 INFO L225 Difference]: With dead ends: 156 [2024-09-20 19:55:05,927 INFO L226 Difference]: Without dead ends: 82 [2024-09-20 19:55:05,928 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2024-09-20 19:55:05,929 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 109 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-09-20 19:55:05,929 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] [2024-09-20 19:55:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-09-20 19:55:05,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-09-20 19:55:05,937 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) [2024-09-20 19:55:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2024-09-20 19:55:05,938 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 125 [2024-09-20 19:55:05,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:55:05,938 INFO L474 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2024-09-20 19:55:05,939 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) [2024-09-20 19:55:05,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2024-09-20 19:55:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-09-20 19:55:05,941 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:55:05,941 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] [2024-09-20 19:55:05,958 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-20 19:55:06,141 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 [2024-09-20 19:55:06,142 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:55:06,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:06,142 INFO L85 PathProgramCache]: Analyzing trace with hash -340521871, now seen corresponding path program 2 times [2024-09-20 19:55:06,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:55:06,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711383444] [2024-09-20 19:55:06,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:55:06,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:55:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:06,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:55:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:07,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:55:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:07,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:07,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:07,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-20 19:55:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-20 19:55:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-20 19:55:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,580 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,599 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,603 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-20 19:55:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-09-20 19:55:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-20 19:55:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 12 proven. 62 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2024-09-20 19:55:08,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:55:08,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711383444] [2024-09-20 19:55:08,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711383444] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:55:08,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661427859] [2024-09-20 19:55:08,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 19:55:08,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:55:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:55:08,622 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) [2024-09-20 19:55:08,624 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-20 19:55:08,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 19:55:08,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:55:09,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-20 19:55:09,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:55:09,022 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 [2024-09-20 19:55:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 1840 trivial. 0 not checked. [2024-09-20 19:55:09,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:55:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 71 proven. 15 refuted. 0 times theorem prover too weak. 1849 trivial. 0 not checked. [2024-09-20 19:55:10,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661427859] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:55:10,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:55:10,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 14] total 32 [2024-09-20 19:55:10,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274807459] [2024-09-20 19:55:10,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:55:10,972 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-20 19:55:10,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:55:10,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-20 19:55:10,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2024-09-20 19:55:10,976 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) [2024-09-20 19:55:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:55:11,478 INFO L93 Difference]: Finished difference Result 160 states and 194 transitions. [2024-09-20 19:55:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-20 19:55:11,479 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 [2024-09-20 19:55:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:55:11,480 INFO L225 Difference]: With dead ends: 160 [2024-09-20 19:55:11,480 INFO L226 Difference]: Without dead ends: 86 [2024-09-20 19:55:11,481 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 570 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=259, Invalid=1147, Unknown=0, NotChecked=0, Total=1406 [2024-09-20 19:55:11,482 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 86 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-09-20 19:55:11,482 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] [2024-09-20 19:55:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-09-20 19:55:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-09-20 19:55:11,492 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) [2024-09-20 19:55:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 99 transitions. [2024-09-20 19:55:11,494 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 99 transitions. Word has length 250 [2024-09-20 19:55:11,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:55:11,494 INFO L474 AbstractCegarLoop]: Abstraction has 86 states and 99 transitions. [2024-09-20 19:55:11,494 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) [2024-09-20 19:55:11,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2024-09-20 19:55:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-09-20 19:55:11,501 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:55:11,501 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] [2024-09-20 19:55:11,519 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-20 19:55:11,705 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 [2024-09-20 19:55:11,706 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:55:11,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:11,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1403660081, now seen corresponding path program 3 times [2024-09-20 19:55:11,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:55:11,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873735842] [2024-09-20 19:55:11,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:55:11,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:55:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:13,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:55:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:13,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:55:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:14,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:15,156 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:15,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:16,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-09-20 19:55:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-09-20 19:55:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-20 19:55:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,460 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,478 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-09-20 19:55:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-09-20 19:55:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-09-20 19:55:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7621 backedges. 20 proven. 162 refuted. 0 times theorem prover too weak. 7439 trivial. 0 not checked. [2024-09-20 19:55:17,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:55:17,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873735842] [2024-09-20 19:55:17,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873735842] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:55:17,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494558442] [2024-09-20 19:55:17,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-20 19:55:17,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:55:17,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:55:17,547 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) [2024-09-20 19:55:17,549 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-20 19:55:17,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-20 19:55:17,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:55:17,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-20 19:55:17,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:55:17,970 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 [2024-09-20 19:55:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7621 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 7591 trivial. 0 not checked. [2024-09-20 19:55:18,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:55:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7621 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 7591 trivial. 0 not checked. [2024-09-20 19:55:20,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494558442] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:55:20,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:55:20,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 34 [2024-09-20 19:55:20,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755747330] [2024-09-20 19:55:20,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:55:20,166 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-20 19:55:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:55:20,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-20 19:55:20,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=988, Unknown=0, NotChecked=0, Total=1122 [2024-09-20 19:55:20,168 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) [2024-09-20 19:55:20,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:55:20,783 INFO L93 Difference]: Finished difference Result 168 states and 202 transitions. [2024-09-20 19:55:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-20 19:55:20,783 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 [2024-09-20 19:55:20,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:55:20,785 INFO L225 Difference]: With dead ends: 168 [2024-09-20 19:55:20,785 INFO L226 Difference]: Without dead ends: 90 [2024-09-20 19:55:20,786 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1013 GetRequests, 966 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=320, Invalid=2032, Unknown=0, NotChecked=0, Total=2352 [2024-09-20 19:55:20,786 INFO L434 NwaCegarLoop]: 26 mSDtfsCounter, 126 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-09-20 19:55:20,786 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] [2024-09-20 19:55:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-20 19:55:20,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-09-20 19:55:20,796 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) [2024-09-20 19:55:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2024-09-20 19:55:20,797 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 414 [2024-09-20 19:55:20,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:55:20,798 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2024-09-20 19:55:20,798 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) [2024-09-20 19:55:20,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-09-20 19:55:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2024-09-20 19:55:20,818 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:55:20,818 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] [2024-09-20 19:55:20,836 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-20 19:55:21,018 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 [2024-09-20 19:55:21,019 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:55:21,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:21,019 INFO L85 PathProgramCache]: Analyzing trace with hash 647098033, now seen corresponding path program 4 times [2024-09-20 19:55:21,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:55:21,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120779167] [2024-09-20 19:55:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:55:21,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:55:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:23,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:55:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:23,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:55:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:24,461 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,270 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,308 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-20 19:55:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:25,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-20 19:55:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:26,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:26,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:27,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,082 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,799 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-20 19:55:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-20 19:55:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-09-20 19:55:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:28,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,140 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,149 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,152 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-20 19:55:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-20 19:55:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-09-20 19:55:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-20 19:55:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-09-20 19:55:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 47957 backedges. 218 proven. 433 refuted. 0 times theorem prover too weak. 47306 trivial. 0 not checked. [2024-09-20 19:55:29,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:55:29,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120779167] [2024-09-20 19:55:29,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120779167] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:55:29,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981830270] [2024-09-20 19:55:29,676 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-20 19:55:29,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:55:29,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:55:29,677 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) [2024-09-20 19:55:29,678 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-20 19:55:30,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-20 19:55:30,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:55:30,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 4246 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-09-20 19:55:30,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:55:30,798 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 [2024-09-20 19:55:31,047 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 [2024-09-20 19:55:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 47957 backedges. 755 proven. 58 refuted. 0 times theorem prover too weak. 47144 trivial. 0 not checked. [2024-09-20 19:55:31,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:55:32,451 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 [2024-09-20 19:55:33,004 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 [2024-09-20 19:55:33,348 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 [2024-09-20 19:55:33,817 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 [2024-09-20 19:55:34,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981830270] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:55:34,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-20 19:55:34,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 36 [2024-09-20 19:55:34,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325451405] [2024-09-20 19:55:34,526 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-20 19:55:34,527 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-20 19:55:34,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:55:34,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-20 19:55:34,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1752, Unknown=0, NotChecked=0, Total=1892 [2024-09-20 19:55:34,529 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) [2024-09-20 19:55:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:55:35,355 INFO L93 Difference]: Finished difference Result 175 states and 209 transitions. [2024-09-20 19:55:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-20 19:55:35,355 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 [2024-09-20 19:55:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:55:35,357 INFO L225 Difference]: With dead ends: 175 [2024-09-20 19:55:35,357 INFO L226 Difference]: Without dead ends: 93 [2024-09-20 19:55:35,359 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=268, Invalid=2924, Unknown=0, NotChecked=0, Total=3192 [2024-09-20 19:55:35,359 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, 0.5s IncrementalHoareTripleChecker+Time [2024-09-20 19:55:35,360 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 619 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-20 19:55:35,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-20 19:55:35,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-09-20 19:55:35,370 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) [2024-09-20 19:55:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2024-09-20 19:55:35,372 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 950 [2024-09-20 19:55:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:55:35,372 INFO L474 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2024-09-20 19:55:35,373 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) [2024-09-20 19:55:35,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-09-20 19:55:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2024-09-20 19:55:35,398 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:55:35,398 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] [2024-09-20 19:55:35,424 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-20 19:55:35,599 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 [2024-09-20 19:55:35,599 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:55:35,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:55:35,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1317771953, now seen corresponding path program 5 times [2024-09-20 19:55:35,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:55:35,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619693657] [2024-09-20 19:55:35,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:55:35,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:55:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:37,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:55:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:37,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:55:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:39,461 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,227 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,389 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-20 19:55:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-20 19:55:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:40,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,302 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-20 19:55:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-20 19:55:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-09-20 19:55:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,836 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,837 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,877 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:41,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,027 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-20 19:55:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-20 19:55:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,542 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-20 19:55:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-09-20 19:55:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-09-20 19:55:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-20 19:55:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-09-20 19:55:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:55:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 68971 backedges. 26 proven. 53 refuted. 0 times theorem prover too weak. 68892 trivial. 0 not checked. [2024-09-20 19:55:42,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:55:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619693657] [2024-09-20 19:55:42,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619693657] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:55:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244961270] [2024-09-20 19:55:42,599 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-20 19:55:42,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:55:42,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:55:42,601 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) [2024-09-20 19:55:42,602 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-20 19:58:51,775 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) [2024-09-20 19:58:51,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:58:51,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 4182 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-20 19:58:51,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:58:51,924 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 [2024-09-20 19:58:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 68971 backedges. 26043 proven. 3 refuted. 0 times theorem prover too weak. 42925 trivial. 0 not checked. [2024-09-20 19:58:52,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:58:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 68971 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 68885 trivial. 0 not checked. [2024-09-20 19:58:57,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244961270] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:58:57,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:58:57,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 24 [2024-09-20 19:58:57,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989350424] [2024-09-20 19:58:57,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:58:57,222 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-20 19:58:57,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:58:57,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-20 19:58:57,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-09-20 19:58:57,223 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) [2024-09-20 19:58:57,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:58:57,575 INFO L93 Difference]: Finished difference Result 178 states and 210 transitions. [2024-09-20 19:58:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-20 19:58:57,576 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 [2024-09-20 19:58:57,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:58:57,577 INFO L225 Difference]: With dead ends: 178 [2024-09-20 19:58:57,578 INFO L226 Difference]: Without dead ends: 94 [2024-09-20 19:58:57,578 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 [2024-09-20 19:58:57,579 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 [2024-09-20 19:58:57,579 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] [2024-09-20 19:58:57,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-09-20 19:58:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-09-20 19:58:57,593 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) [2024-09-20 19:58:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2024-09-20 19:58:57,595 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 1114 [2024-09-20 19:58:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:58:57,596 INFO L474 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2024-09-20 19:58:57,597 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) [2024-09-20 19:58:57,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:58:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2024-09-20 19:58:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2143 [2024-09-20 19:58:57,622 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:58:57,623 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] [2024-09-20 19:58:57,798 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-20 19:58:57,823 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 [2024-09-20 19:58:57,824 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:58:57,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:58:57,824 INFO L85 PathProgramCache]: Analyzing trace with hash -718318031, now seen corresponding path program 6 times [2024-09-20 19:58:57,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:58:57,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827845037] [2024-09-20 19:58:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:58:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:58:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat