./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 14b6c4171d4b04e355b9ddd303f20c8b3e4e81d04535a1ef986d499534108e49 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 23:03:10,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 23:03:10,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 23:03:10,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 23:03:10,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 23:03:10,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 23:03:10,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 23:03:10,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 23:03:10,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 23:03:10,510 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 23:03:10,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 23:03:10,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 23:03:10,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 23:03:10,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 23:03:10,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 23:03:10,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 23:03:10,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 23:03:10,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 23:03:10,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 23:03:10,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 23:03:10,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 23:03:10,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 23:03:10,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 23:03:10,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 23:03:10,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 23:03:10,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 23:03:10,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 23:03:10,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 23:03:10,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 23:03:10,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 23:03:10,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 23:03:10,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 23:03:10,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 23:03:10,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 23:03:10,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 23:03:10,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 23:03:10,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 23:03:10,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 23:03:10,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 23:03:10,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 23:03:10,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 23:03:10,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 23:03:10,531 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14b6c4171d4b04e355b9ddd303f20c8b3e4e81d04535a1ef986d499534108e49 [2024-11-19 23:03:10,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 23:03:10,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 23:03:10,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 23:03:10,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 23:03:10,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 23:03:10,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i [2024-11-19 23:03:12,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 23:03:12,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 23:03:12,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i [2024-11-19 23:03:12,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79426891/d00ab7ea42a44307bac3e6e018c67c01/FLAGb9835debb [2024-11-19 23:03:12,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79426891/d00ab7ea42a44307bac3e6e018c67c01 [2024-11-19 23:03:12,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 23:03:12,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 23:03:12,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 23:03:12,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 23:03:12,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 23:03:12,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:03:12" (1/1) ... [2024-11-19 23:03:12,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bccb31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:12, skipping insertion in model container [2024-11-19 23:03:12,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:03:12" (1/1) ... [2024-11-19 23:03:12,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 23:03:13,325 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2024-11-19 23:03:13,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 23:03:13,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 23:03:13,538 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2024-11-19 23:03:13,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 23:03:13,643 INFO L204 MainTranslator]: Completed translation [2024-11-19 23:03:13,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13 WrapperNode [2024-11-19 23:03:13,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 23:03:13,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 23:03:13,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 23:03:13,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 23:03:13,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,748 INFO L138 Inliner]: procedures = 145, calls = 309, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 463 [2024-11-19 23:03:13,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 23:03:13,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 23:03:13,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 23:03:13,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 23:03:13,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,815 INFO L175 MemorySlicer]: Split 158 memory accesses to 18 slices as follows [2, 5, 8, 8, 8, 29, 6, 21, 7, 7, 9, 7, 13, 13, 5, 5, 0, 5]. 18 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 3, 3, 3, 9, 2, 9, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0]. The 39 writes are split as follows [0, 1, 2, 2, 2, 11, 2, 6, 2, 2, 2, 2, 1, 1, 1, 1, 0, 1]. [2024-11-19 23:03:13,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 23:03:13,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 23:03:13,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 23:03:13,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 23:03:13,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (1/1) ... [2024-11-19 23:03:13,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 23:03:13,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:13,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 23:03:13,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 23:03:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 23:03:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 23:03:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 23:03:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 23:03:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 23:03:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 23:03:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 23:03:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 23:03:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 23:03:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 23:03:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 23:03:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 23:03:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 23:03:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 23:03:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 23:03:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 23:03:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 23:03:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 23:03:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 23:03:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 23:03:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 23:03:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 23:03:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 23:03:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 23:03:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 23:03:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 23:03:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 23:03:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 23:03:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 23:03:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 23:03:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 23:03:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 23:03:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 23:03:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 23:03:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 23:03:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-19 23:03:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-19 23:03:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 23:03:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 23:03:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 23:03:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 23:03:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 23:03:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 23:03:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 23:03:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 23:03:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 23:03:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 23:03:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 23:03:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-19 23:03:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-19 23:03:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-19 23:03:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-19 23:03:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 23:03:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 23:03:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 23:03:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 23:03:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 23:03:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 23:03:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 23:03:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 23:03:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 23:03:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 23:03:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 23:03:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 23:03:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 23:03:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-19 23:03:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-19 23:03:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 23:03:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 23:03:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 23:03:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 23:03:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 23:03:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 23:03:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 23:03:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 23:03:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 23:03:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 23:03:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 23:03:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 23:03:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 23:03:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 23:03:14,294 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 23:03:14,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 23:03:19,096 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-19 23:03:19,097 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 23:03:19,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 23:03:19,113 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 23:03:19,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:03:19 BoogieIcfgContainer [2024-11-19 23:03:19,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 23:03:19,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 23:03:19,116 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 23:03:19,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 23:03:19,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:03:12" (1/3) ... [2024-11-19 23:03:19,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bca0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:03:19, skipping insertion in model container [2024-11-19 23:03:19,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:03:13" (2/3) ... [2024-11-19 23:03:19,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bca0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:03:19, skipping insertion in model container [2024-11-19 23:03:19,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:03:19" (3/3) ... [2024-11-19 23:03:19,121 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_dekker.i [2024-11-19 23:03:19,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 23:03:19,139 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 23:03:19,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 23:03:19,222 INFO L333 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=LoopHeads, 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;@41f75eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 23:03:19,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 23:03:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 78 states have internal predecessors, (103), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 23:03:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-19 23:03:19,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:19,241 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:19,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:19,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:19,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1213115201, now seen corresponding path program 1 times [2024-11-19 23:03:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:19,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783218354] [2024-11-19 23:03:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:19,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 23:03:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:03:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-19 23:03:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-19 23:03:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 23:03:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 23:03:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-19 23:03:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 23:03:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 23:03:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 23:03:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 23:03:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 23:03:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 23:03:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 23:03:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 23:03:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 23:03:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 23:03:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 23:03:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 23:03:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 23:03:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 23:03:19,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:19,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783218354] [2024-11-19 23:03:19,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783218354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:19,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:19,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 23:03:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628716828] [2024-11-19 23:03:19,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:19,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 23:03:19,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:19,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 23:03:19,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 23:03:19,999 INFO L87 Difference]: Start difference. First operand has 119 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 78 states have internal predecessors, (103), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:20,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:20,046 INFO L93 Difference]: Finished difference Result 236 states and 377 transitions. [2024-11-19 23:03:20,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 23:03:20,049 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-11-19 23:03:20,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:20,058 INFO L225 Difference]: With dead ends: 236 [2024-11-19 23:03:20,059 INFO L226 Difference]: Without dead ends: 115 [2024-11-19 23:03:20,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 23:03:20,070 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:20,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-19 23:03:20,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-19 23:03:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 74 states have (on average 1.2837837837837838) internal successors, (95), 74 states have internal predecessors, (95), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 23:03:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2024-11-19 23:03:20,129 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 132 [2024-11-19 23:03:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:20,130 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2024-11-19 23:03:20,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2024-11-19 23:03:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-19 23:03:20,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:20,138 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:20,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 23:03:20,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:20,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:20,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1001836267, now seen corresponding path program 1 times [2024-11-19 23:03:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:20,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052843089] [2024-11-19 23:03:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:20,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 23:03:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:03:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-19 23:03:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-19 23:03:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 23:03:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 23:03:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-19 23:03:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 23:03:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 23:03:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 23:03:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 23:03:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 23:03:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 23:03:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 23:03:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 23:03:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 23:03:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 23:03:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 23:03:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 23:03:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-19 23:03:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 23:03:20,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:20,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052843089] [2024-11-19 23:03:20,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052843089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:20,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:20,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 23:03:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920086184] [2024-11-19 23:03:20,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:20,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 23:03:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:20,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 23:03:20,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:20,660 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:20,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:20,730 INFO L93 Difference]: Finished difference Result 228 states and 328 transitions. [2024-11-19 23:03:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 23:03:20,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-11-19 23:03:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:20,734 INFO L225 Difference]: With dead ends: 228 [2024-11-19 23:03:20,735 INFO L226 Difference]: Without dead ends: 119 [2024-11-19 23:03:20,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:20,738 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 4 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:20,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 322 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:20,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-19 23:03:20,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2024-11-19 23:03:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 75 states have (on average 1.28) internal successors, (96), 75 states have internal predecessors, (96), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 23:03:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-11-19 23:03:20,757 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 132 [2024-11-19 23:03:20,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:20,757 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-11-19 23:03:20,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-11-19 23:03:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 23:03:20,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:20,760 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:20,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 23:03:20,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:20,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1502592579, now seen corresponding path program 1 times [2024-11-19 23:03:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:20,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017568377] [2024-11-19 23:03:20,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 23:03:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:03:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 23:03:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 23:03:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:20,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 23:03:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-19 23:03:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:03:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 23:03:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 23:03:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 23:03:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 23:03:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 23:03:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 23:03:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 23:03:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 23:03:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 23:03:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 23:03:21,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017568377] [2024-11-19 23:03:21,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017568377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:21,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:21,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 23:03:21,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132529147] [2024-11-19 23:03:21,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:21,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 23:03:21,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:21,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 23:03:21,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:21,064 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:21,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:21,110 INFO L93 Difference]: Finished difference Result 231 states and 332 transitions. [2024-11-19 23:03:21,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 23:03:21,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2024-11-19 23:03:21,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:21,112 INFO L225 Difference]: With dead ends: 231 [2024-11-19 23:03:21,112 INFO L226 Difference]: Without dead ends: 118 [2024-11-19 23:03:21,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:03:21,115 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:21,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 323 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:21,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-19 23:03:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-19 23:03:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 76 states have internal predecessors, (97), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 23:03:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 167 transitions. [2024-11-19 23:03:21,133 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 167 transitions. Word has length 135 [2024-11-19 23:03:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:21,134 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 167 transitions. [2024-11-19 23:03:21,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2024-11-19 23:03:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-19 23:03:21,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:21,136 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:21,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 23:03:21,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:21,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1195483263, now seen corresponding path program 1 times [2024-11-19 23:03:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:21,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231109536] [2024-11-19 23:03:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:21,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-19 23:03:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-19 23:03:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:03:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:03:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 23:03:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-19 23:03:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-19 23:03:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 23:03:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 23:03:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 23:03:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 23:03:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 23:03:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 23:03:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 23:03:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 23:03:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 23:03:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 23:03:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 23:03:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-19 23:03:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-19 23:03:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 23:03:21,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:21,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231109536] [2024-11-19 23:03:21,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231109536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:03:21,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871712339] [2024-11-19 23:03:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:21,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:21,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:21,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:03:21,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 23:03:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:21,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 23:03:21,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:03:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 23:03:22,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 23:03:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-19 23:03:22,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871712339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 23:03:22,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 23:03:22,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-19 23:03:22,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970337287] [2024-11-19 23:03:22,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 23:03:22,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 23:03:22,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:22,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 23:03:22,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 23:03:22,209 INFO L87 Difference]: Start difference. First operand 117 states and 167 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-19 23:03:22,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:22,263 INFO L93 Difference]: Finished difference Result 235 states and 337 transitions. [2024-11-19 23:03:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 23:03:22,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 137 [2024-11-19 23:03:22,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:22,269 INFO L225 Difference]: With dead ends: 235 [2024-11-19 23:03:22,269 INFO L226 Difference]: Without dead ends: 121 [2024-11-19 23:03:22,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 311 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 23:03:22,271 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:22,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 803 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:22,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-19 23:03:22,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-19 23:03:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 80 states have (on average 1.2625) internal successors, (101), 80 states have internal predecessors, (101), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 23:03:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 171 transitions. [2024-11-19 23:03:22,282 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 171 transitions. Word has length 137 [2024-11-19 23:03:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:22,282 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 171 transitions. [2024-11-19 23:03:22,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-19 23:03:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-11-19 23:03:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 23:03:22,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:22,284 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:22,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 23:03:22,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:22,485 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:22,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:22,486 INFO L85 PathProgramCache]: Analyzing trace with hash 14058627, now seen corresponding path program 2 times [2024-11-19 23:03:22,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:22,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039084086] [2024-11-19 23:03:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-19 23:03:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 23:03:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 23:03:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 23:03:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-19 23:03:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-19 23:03:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 23:03:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 23:03:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 23:03:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 23:03:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 23:03:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 23:03:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 23:03:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 23:03:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 23:03:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:03:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2024-11-19 23:03:22,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039084086] [2024-11-19 23:03:22,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039084086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:03:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121331424] [2024-11-19 23:03:22,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 23:03:22,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:22,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:22,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:03:22,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 23:03:23,257 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 23:03:23,257 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 23:03:23,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 23:03:23,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:03:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2024-11-19 23:03:23,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 23:03:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121331424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:23,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 23:03:23,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-19 23:03:23,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231152344] [2024-11-19 23:03:23,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:23,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 23:03:23,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:23,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 23:03:23,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 23:03:23,556 INFO L87 Difference]: Start difference. First operand 121 states and 171 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:23,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:23,592 INFO L93 Difference]: Finished difference Result 227 states and 328 transitions. [2024-11-19 23:03:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 23:03:23,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-19 23:03:23,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:23,596 INFO L225 Difference]: With dead ends: 227 [2024-11-19 23:03:23,596 INFO L226 Difference]: Without dead ends: 181 [2024-11-19 23:03:23,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 23:03:23,598 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 84 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:23,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 508 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:03:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-19 23:03:23,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-19 23:03:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 121 states have (on average 1.3057851239669422) internal successors, (158), 121 states have internal predecessors, (158), 49 states have call successors, (49), 10 states have call predecessors, (49), 10 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2024-11-19 23:03:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 260 transitions. [2024-11-19 23:03:23,622 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 260 transitions. Word has length 141 [2024-11-19 23:03:23,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:23,622 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 260 transitions. [2024-11-19 23:03:23,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-19 23:03:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 260 transitions. [2024-11-19 23:03:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-19 23:03:23,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:23,626 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:23,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 23:03:23,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:23,827 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:23,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:23,828 INFO L85 PathProgramCache]: Analyzing trace with hash 307641716, now seen corresponding path program 1 times [2024-11-19 23:03:23,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:23,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355516338] [2024-11-19 23:03:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 23:03:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:03:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:03:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:03:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-19 23:03:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-19 23:03:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 23:03:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 23:03:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 23:03:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:03:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:03:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:03:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:03:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:03:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:03:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:03:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:03:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:03:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:03:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:03:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:03:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:03:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:03:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:03:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2024-11-19 23:03:24,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:24,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355516338] [2024-11-19 23:03:24,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355516338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:03:24,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269747817] [2024-11-19 23:03:24,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:24,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:24,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:03:24,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:03:24,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 23:03:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:25,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 23:03:25,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:03:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2024-11-19 23:03:25,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 23:03:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2024-11-19 23:03:25,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269747817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 23:03:25,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 23:03:25,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-19 23:03:25,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225582601] [2024-11-19 23:03:25,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 23:03:25,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 23:03:25,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:25,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 23:03:25,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 23:03:25,346 INFO L87 Difference]: Start difference. First operand 181 states and 260 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (69), 6 states have call predecessors, (69), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-11-19 23:03:29,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:33,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:37,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:38,418 INFO L93 Difference]: Finished difference Result 378 states and 542 transitions. [2024-11-19 23:03:38,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 23:03:38,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (69), 6 states have call predecessors, (69), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 225 [2024-11-19 23:03:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:38,420 INFO L225 Difference]: With dead ends: 378 [2024-11-19 23:03:38,421 INFO L226 Difference]: Without dead ends: 209 [2024-11-19 23:03:38,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-19 23:03:38,422 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 44 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 37 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:38,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 422 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 367 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-19 23:03:38,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-19 23:03:38,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2024-11-19 23:03:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 142 states have (on average 1.2746478873239437) internal successors, (181), 144 states have internal predecessors, (181), 49 states have call successors, (49), 10 states have call predecessors, (49), 12 states have return successors, (57), 49 states have call predecessors, (57), 49 states have call successors, (57) [2024-11-19 23:03:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 287 transitions. [2024-11-19 23:03:38,449 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 287 transitions. Word has length 225 [2024-11-19 23:03:38,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:38,449 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 287 transitions. [2024-11-19 23:03:38,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (69), 6 states have call predecessors, (69), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-11-19 23:03:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 287 transitions. [2024-11-19 23:03:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-19 23:03:38,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:38,455 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:38,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 23:03:38,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:03:38,656 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:38,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:38,657 INFO L85 PathProgramCache]: Analyzing trace with hash -611364236, now seen corresponding path program 2 times [2024-11-19 23:03:38,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:38,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912420575] [2024-11-19 23:03:38,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:38,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 23:03:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:03:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:03:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:03:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-19 23:03:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-19 23:03:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:03:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:03:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:03:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:03:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:03:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:03:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:03:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:03:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:03:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:03:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:03:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:03:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:03:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:03:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:03:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:03:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:03:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:03:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-11-19 23:03:39,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:39,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912420575] [2024-11-19 23:03:39,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912420575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:39,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:39,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 23:03:39,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155537899] [2024-11-19 23:03:39,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:39,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 23:03:39,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:39,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 23:03:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 23:03:39,940 INFO L87 Difference]: Start difference. First operand 204 states and 287 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 23:03:42,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:46,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:50,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:55,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:03:57,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:03:57,919 INFO L93 Difference]: Finished difference Result 534 states and 766 transitions. [2024-11-19 23:03:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 23:03:57,920 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 243 [2024-11-19 23:03:57,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:03:57,923 INFO L225 Difference]: With dead ends: 534 [2024-11-19 23:03:57,923 INFO L226 Difference]: Without dead ends: 377 [2024-11-19 23:03:57,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-19 23:03:57,925 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 179 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 58 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-19 23:03:57,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 721 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 695 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2024-11-19 23:03:57,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-19 23:03:57,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 366. [2024-11-19 23:03:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 245 states have (on average 1.2816326530612245) internal successors, (314), 250 states have internal predecessors, (314), 95 states have call successors, (95), 20 states have call predecessors, (95), 25 states have return successors, (118), 95 states have call predecessors, (118), 95 states have call successors, (118) [2024-11-19 23:03:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 527 transitions. [2024-11-19 23:03:57,981 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 527 transitions. Word has length 243 [2024-11-19 23:03:57,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:03:57,982 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 527 transitions. [2024-11-19 23:03:57,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 23:03:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 527 transitions. [2024-11-19 23:03:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-19 23:03:57,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:03:57,987 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:03:57,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 23:03:57,987 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:03:57,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:03:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1583191084, now seen corresponding path program 1 times [2024-11-19 23:03:57,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:03:57,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074300302] [2024-11-19 23:03:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:03:57,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:03:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 23:03:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:03:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:03:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:03:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-19 23:03:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-19 23:03:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:03:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:03:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:03:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:03:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:03:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:03:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:03:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:03:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:03:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:03:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:03:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:03:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:03:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:03:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:03:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:03:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:03:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:03:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:03:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:03:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:03:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:03:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:03:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:03:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-11-19 23:03:58,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:03:58,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074300302] [2024-11-19 23:03:58,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074300302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:03:58,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:03:58,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 23:03:58,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124038074] [2024-11-19 23:03:58,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:03:58,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 23:03:58,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:03:58,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 23:03:58,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 23:03:58,973 INFO L87 Difference]: Start difference. First operand 366 states and 527 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 23:04:02,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:07,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:11,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:13,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:04:13,530 INFO L93 Difference]: Finished difference Result 663 states and 943 transitions. [2024-11-19 23:04:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 23:04:13,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 243 [2024-11-19 23:04:13,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:04:13,533 INFO L225 Difference]: With dead ends: 663 [2024-11-19 23:04:13,533 INFO L226 Difference]: Without dead ends: 335 [2024-11-19 23:04:13,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-19 23:04:13,535 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 228 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 173 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-19 23:04:13,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 677 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 563 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-11-19 23:04:13,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-19 23:04:13,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2024-11-19 23:04:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 219 states have (on average 1.2374429223744292) internal successors, (271), 223 states have internal predecessors, (271), 85 states have call successors, (85), 18 states have call predecessors, (85), 22 states have return successors, (99), 85 states have call predecessors, (99), 85 states have call successors, (99) [2024-11-19 23:04:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 455 transitions. [2024-11-19 23:04:13,573 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 455 transitions. Word has length 243 [2024-11-19 23:04:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:04:13,573 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 455 transitions. [2024-11-19 23:04:13,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 23:04:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 455 transitions. [2024-11-19 23:04:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-19 23:04:13,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:04:13,577 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:04:13,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 23:04:13,577 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:04:13,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:04:13,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1447908660, now seen corresponding path program 1 times [2024-11-19 23:04:13,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:04:13,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865934495] [2024-11-19 23:04:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:13,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:04:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 23:04:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:04:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:04:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:04:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-19 23:04:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-19 23:04:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:04:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:04:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:04:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:04:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:04:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:04:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:04:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:04:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:04:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:04:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:04:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:04:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:04:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:04:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:04:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:04:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:04:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:04:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:04:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:04:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:04:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:04:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2024-11-19 23:04:14,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:04:14,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865934495] [2024-11-19 23:04:14,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865934495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:04:14,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318138283] [2024-11-19 23:04:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:14,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:04:14,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:04:14,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:04:14,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 23:04:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:15,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 1784 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 23:04:15,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:04:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2024-11-19 23:04:15,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 23:04:15,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318138283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:04:15,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 23:04:15,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 17 [2024-11-19 23:04:15,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439404221] [2024-11-19 23:04:15,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:04:15,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 23:04:15,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:04:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 23:04:15,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-19 23:04:15,830 INFO L87 Difference]: Start difference. First operand 327 states and 455 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-19 23:04:16,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:04:16,753 INFO L93 Difference]: Finished difference Result 846 states and 1179 transitions. [2024-11-19 23:04:16,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 23:04:16,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 243 [2024-11-19 23:04:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:04:16,758 INFO L225 Difference]: With dead ends: 846 [2024-11-19 23:04:16,758 INFO L226 Difference]: Without dead ends: 544 [2024-11-19 23:04:16,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-11-19 23:04:16,761 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 251 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 23:04:16,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 502 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 23:04:16,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-19 23:04:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 530. [2024-11-19 23:04:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 347 states have (on average 1.1671469740634006) internal successors, (405), 349 states have internal predecessors, (405), 142 states have call successors, (142), 31 states have call predecessors, (142), 40 states have return successors, (174), 149 states have call predecessors, (174), 142 states have call successors, (174) [2024-11-19 23:04:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 721 transitions. [2024-11-19 23:04:16,831 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 721 transitions. Word has length 243 [2024-11-19 23:04:16,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:04:16,832 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 721 transitions. [2024-11-19 23:04:16,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-19 23:04:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 721 transitions. [2024-11-19 23:04:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-19 23:04:16,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:04:16,836 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:04:16,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 23:04:17,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:04:17,037 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:04:17,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:04:17,037 INFO L85 PathProgramCache]: Analyzing trace with hash -547394062, now seen corresponding path program 1 times [2024-11-19 23:04:17,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:04:17,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977624391] [2024-11-19 23:04:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:17,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:04:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:17,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 23:04:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:17,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:04:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:04:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:04:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-19 23:04:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-19 23:04:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:04:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:04:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:04:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:04:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:04:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:04:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:04:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:04:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:04:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:04:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:04:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:04:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:04:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:04:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:04:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:04:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:04:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:04:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:04:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:04:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:04:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:04:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2024-11-19 23:04:18,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:04:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977624391] [2024-11-19 23:04:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977624391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:04:18,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886347438] [2024-11-19 23:04:18,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:18,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:04:18,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:04:18,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:04:18,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 23:04:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:18,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 1781 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 23:04:18,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:04:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 400 proven. 4 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2024-11-19 23:04:19,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 23:04:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2024-11-19 23:04:19,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886347438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 23:04:19,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 23:04:19,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-11-19 23:04:19,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852186435] [2024-11-19 23:04:19,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 23:04:19,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 23:04:19,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:04:19,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 23:04:19,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-19 23:04:19,626 INFO L87 Difference]: Start difference. First operand 530 states and 721 transitions. Second operand has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 9 states have call successors, (63), 8 states have call predecessors, (63), 7 states have return successors, (61), 7 states have call predecessors, (61), 9 states have call successors, (61) [2024-11-19 23:04:23,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:28,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 23:04:30,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:04:30,154 INFO L93 Difference]: Finished difference Result 1065 states and 1477 transitions. [2024-11-19 23:04:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 23:04:30,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 9 states have call successors, (63), 8 states have call predecessors, (63), 7 states have return successors, (61), 7 states have call predecessors, (61), 9 states have call successors, (61) Word has length 243 [2024-11-19 23:04:30,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:04:30,160 INFO L225 Difference]: With dead ends: 1065 [2024-11-19 23:04:30,160 INFO L226 Difference]: Without dead ends: 584 [2024-11-19 23:04:30,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 553 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-19 23:04:30,163 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 321 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 189 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-19 23:04:30,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 792 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 843 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-19 23:04:30,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-19 23:04:30,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 559. [2024-11-19 23:04:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 377 states have (on average 1.2015915119363396) internal successors, (453), 377 states have internal predecessors, (453), 126 states have call successors, (126), 44 states have call predecessors, (126), 55 states have return successors, (180), 137 states have call predecessors, (180), 126 states have call successors, (180) [2024-11-19 23:04:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 759 transitions. [2024-11-19 23:04:30,216 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 759 transitions. Word has length 243 [2024-11-19 23:04:30,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:04:30,217 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 759 transitions. [2024-11-19 23:04:30,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 9 states have call successors, (63), 8 states have call predecessors, (63), 7 states have return successors, (61), 7 states have call predecessors, (61), 9 states have call successors, (61) [2024-11-19 23:04:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 759 transitions. [2024-11-19 23:04:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-19 23:04:30,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:04:30,221 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:04:30,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 23:04:30,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 23:04:30,422 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 23:04:30,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:04:30,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1616598994, now seen corresponding path program 1 times [2024-11-19 23:04:30,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:04:30,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509805054] [2024-11-19 23:04:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:04:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 23:04:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 23:04:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 23:04:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 23:04:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-19 23:04:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-19 23:04:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 23:04:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 23:04:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-19 23:04:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-19 23:04:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-19 23:04:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-19 23:04:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-19 23:04:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-19 23:04:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-19 23:04:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-19 23:04:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-19 23:04:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-19 23:04:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-19 23:04:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-19 23:04:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-19 23:04:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-19 23:04:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-19 23:04:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-19 23:04:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-19 23:04:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-19 23:04:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-19 23:04:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-19 23:04:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-19 23:04:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2024-11-19 23:04:33,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:04:33,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509805054] [2024-11-19 23:04:33,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509805054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 23:04:33,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335128841] [2024-11-19 23:04:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:04:33,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 23:04:33,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 23:04:33,412 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 23:04:33,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 23:04:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:04:34,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 1879 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-19 23:04:34,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 23:04:34,477 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 13 treesize of output 9