./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/seq-pthread/cs_lamport.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 d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:10:31,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:10:31,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:10:31,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:10:31,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:10:31,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:10:31,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:10:31,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:10:31,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:10:31,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:10:31,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:10:31,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:10:31,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:10:31,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:10:31,478 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:10:31,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:10:31,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:10:31,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:10:31,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:10:31,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:10:31,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:10:31,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:10:31,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:10:31,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:10:31,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:10:31,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:10:31,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:10:31,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:10:31,482 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:10:31,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:10:31,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:10:31,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:10:31,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:10:31,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:10:31,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:10:31,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:10:31,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:10:31,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:10:31,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:10:31,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:10:31,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:10:31,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:10:31,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2024-11-10 00:10:31,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:10:31,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:10:31,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:10:31,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:10:31,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:10:31,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-10 00:10:33,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:10:33,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:10:33,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-10 00:10:33,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc03d8c10/af6f80e81f1840eab9d87a08baf7c86a/FLAGbcbe64e8a [2024-11-10 00:10:33,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc03d8c10/af6f80e81f1840eab9d87a08baf7c86a [2024-11-10 00:10:33,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:10:33,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:10:33,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:10:33,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:10:33,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:10:33,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:10:33" (1/1) ... [2024-11-10 00:10:33,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540cf7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:33, skipping insertion in model container [2024-11-10 00:10:33,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:10:33" (1/1) ... [2024-11-10 00:10:33,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:10:34,165 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_lamport.i[23604,23617] [2024-11-10 00:10:34,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:10:34,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:10:34,395 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_lamport.i[23604,23617] [2024-11-10 00:10:34,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:10:34,525 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:10:34,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34 WrapperNode [2024-11-10 00:10:34,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:10:34,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:10:34,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:10:34,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:10:34,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,618 INFO L138 Inliner]: procedures = 145, calls = 360, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 475 [2024-11-10 00:10:34,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:10:34,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:10:34,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:10:34,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:10:34,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,698 INFO L175 MemorySlicer]: Split 168 memory accesses to 20 slices as follows [2, 5, 8, 8, 8, 5, 29, 21, 13, 7, 7, 7, 7, 7, 5, 5, 6, 0, 5, 13]. 17 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [2, 0, 3, 3, 3, 0, 9, 9, 0, 3, 3, 3, 3, 3, 0, 0, 2, 0, 0, 0]. The 42 writes are split as follows [0, 1, 2, 2, 2, 1, 11, 6, 1, 2, 2, 2, 2, 2, 1, 1, 2, 0, 1, 1]. [2024-11-10 00:10:34,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:10:34,802 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:10:34,802 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:10:34,802 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:10:34,803 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (1/1) ... [2024-11-10 00:10:34,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:10:34,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:10:34,844 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) [2024-11-10 00:10:34,848 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 [2024-11-10 00:10:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 00:10:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 00:10:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 00:10:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-10 00:10:34,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 00:10:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-10 00:10:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-10 00:10:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-10 00:10:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-10 00:10:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-10 00:10:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-10 00:10:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-10 00:10:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-10 00:10:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-10 00:10:34,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-10 00:10:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-10 00:10:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 00:10:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 00:10:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:10:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 00:10:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 00:10:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 00:10:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-10 00:10:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-10 00:10:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-10 00:10:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-10 00:10:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-10 00:10:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 00:10:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-10 00:10:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-10 00:10:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-10 00:10:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 00:10:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 00:10:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-10 00:10:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-10 00:10:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-10 00:10:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-10 00:10:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-10 00:10:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-10 00:10:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-10 00:10:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-10 00:10:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-10 00:10:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-10 00:10:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-10 00:10:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-10 00:10:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-10 00:10:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-10 00:10:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 00:10:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-10 00:10:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-10 00:10:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-10 00:10:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-10 00:10:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-10 00:10:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:10:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:10:35,238 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:10:35,242 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:10:40,042 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-10 00:10:40,043 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:10:40,064 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:10:40,067 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:10:40,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:10:40 BoogieIcfgContainer [2024-11-10 00:10:40,068 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:10:40,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:10:40,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:10:40,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:10:40,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:10:33" (1/3) ... [2024-11-10 00:10:40,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db653e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:10:40, skipping insertion in model container [2024-11-10 00:10:40,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:34" (2/3) ... [2024-11-10 00:10:40,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db653e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:10:40, skipping insertion in model container [2024-11-10 00:10:40,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:10:40" (3/3) ... [2024-11-10 00:10:40,081 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2024-11-10 00:10:40,102 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:10:40,102 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:10:40,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:10:40,188 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;@3038bc8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:10:40,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:10:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 78 states have internal predecessors, (100), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 00:10:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-10 00:10:40,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:40,208 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:10:40,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:40,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:40,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1240432300, now seen corresponding path program 1 times [2024-11-10 00:10:40,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:40,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521810681] [2024-11-10 00:10:40,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:40,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 00:10:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:40,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 00:10:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:40,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 00:10:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 00:10:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:40,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 00:10:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:40,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 00:10:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:10:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:10:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 00:10:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 00:10:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 00:10:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 00:10:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 00:10:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 00:10:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 00:10:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 00:10:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 00:10:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 00:10:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 00:10:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 00:10:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 00:10:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 00:10:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 00:10:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521810681] [2024-11-10 00:10:41,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521810681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:10:41,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:10:41,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 00:10:41,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283864059] [2024-11-10 00:10:41,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:10:41,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 00:10:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:41,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 00:10:41,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 00:10:41,242 INFO L87 Difference]: Start difference. First operand has 120 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 78 states have internal predecessors, (100), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:10:41,294 INFO L93 Difference]: Finished difference Result 237 states and 375 transitions. [2024-11-10 00:10:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 00:10:41,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2024-11-10 00:10:41,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:10:41,308 INFO L225 Difference]: With dead ends: 237 [2024-11-10 00:10:41,308 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 00:10:41,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 00:10:41,321 INFO L432 NwaCegarLoop]: 167 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, 167 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 [2024-11-10 00:10:41,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:10:41,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 00:10:41,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-10 00:10:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 73 states have internal predecessors, (91), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 00:10:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-10 00:10:41,395 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 145 [2024-11-10 00:10:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:10:41,396 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-10 00:10:41,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-10 00:10:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 00:10:41,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:41,405 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:10:41,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:10:41,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:41,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash -377422933, now seen corresponding path program 1 times [2024-11-10 00:10:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:41,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446770589] [2024-11-10 00:10:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 00:10:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 00:10:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 00:10:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 00:10:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 00:10:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 00:10:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 00:10:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 00:10:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 00:10:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 00:10:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 00:10:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 00:10:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 00:10:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 00:10:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 00:10:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 00:10:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 00:10:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 00:10:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 00:10:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 00:10:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 00:10:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 00:10:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 00:10:42,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:42,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446770589] [2024-11-10 00:10:42,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446770589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:10:42,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:10:42,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:10:42,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027617973] [2024-11-10 00:10:42,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:10:42,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:10:42,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:42,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:10:42,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:10:42,086 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:10:42,153 INFO L93 Difference]: Finished difference Result 228 states and 324 transitions. [2024-11-10 00:10:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:10:42,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-11-10 00:10:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:10:42,158 INFO L225 Difference]: With dead ends: 228 [2024-11-10 00:10:42,158 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 00:10:42,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:10:42,161 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 4 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 318 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 [2024-11-10 00:10:42,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 318 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:10:42,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 00:10:42,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2024-11-10 00:10:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 75 states have (on average 1.24) internal successors, (93), 75 states have internal predecessors, (93), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 00:10:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2024-11-10 00:10:42,176 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 146 [2024-11-10 00:10:42,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:10:42,177 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2024-11-10 00:10:42,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2024-11-10 00:10:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-10 00:10:42,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:42,187 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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] [2024-11-10 00:10:42,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:10:42,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:42,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:42,188 INFO L85 PathProgramCache]: Analyzing trace with hash -706571649, now seen corresponding path program 1 times [2024-11-10 00:10:42,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:42,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625116575] [2024-11-10 00:10:42,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 00:10:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 00:10:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 00:10:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 00:10:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 00:10:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:10:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:10:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 00:10:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 00:10:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 00:10:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 00:10:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 00:10:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 00:10:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 00:10:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 00:10:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 00:10:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 00:10:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 00:10:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 00:10:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 00:10:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 00:10:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 00:10:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 00:10:42,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:42,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625116575] [2024-11-10 00:10:42,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625116575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:10:42,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:10:42,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:10:42,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007117487] [2024-11-10 00:10:42,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:10:42,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:10:42,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:10:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:10:42,669 INFO L87 Difference]: Start difference. First operand 117 states and 165 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:10:42,706 INFO L93 Difference]: Finished difference Result 232 states and 329 transitions. [2024-11-10 00:10:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:10:42,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-10 00:10:42,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:10:42,709 INFO L225 Difference]: With dead ends: 232 [2024-11-10 00:10:42,709 INFO L226 Difference]: Without dead ends: 119 [2024-11-10 00:10:42,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:10:42,711 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:10:42,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 321 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:10:42,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-10 00:10:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-10 00:10:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 77 states have internal predecessors, (95), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 00:10:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2024-11-10 00:10:42,727 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 151 [2024-11-10 00:10:42,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:10:42,727 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2024-11-10 00:10:42,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2024-11-10 00:10:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 00:10:42,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:42,730 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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] [2024-11-10 00:10:42,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:10:42,730 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:42,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:42,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1920292544, now seen corresponding path program 1 times [2024-11-10 00:10:42,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:42,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85251758] [2024-11-10 00:10:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:42,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 00:10:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 00:10:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 00:10:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 00:10:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 00:10:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 00:10:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 00:10:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 00:10:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 00:10:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 00:10:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 00:10:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 00:10:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 00:10:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 00:10:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 00:10:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 00:10:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 00:10:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 00:10:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 00:10:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 00:10:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 00:10:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 00:10:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 00:10:43,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:43,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85251758] [2024-11-10 00:10:43,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85251758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 00:10:43,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284756782] [2024-11-10 00:10:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:43,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 00:10:43,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:10:43,228 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) [2024-11-10 00:10:43,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 00:10:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:43,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 00:10:43,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 00:10:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 00:10:43,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 00:10:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 00:10:44,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284756782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 00:10:44,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 00:10:44,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-10 00:10:44,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632958079] [2024-11-10 00:10:44,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 00:10:44,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 00:10:44,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:44,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 00:10:44,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:10:44,017 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 00:10:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:10:44,061 INFO L93 Difference]: Finished difference Result 238 states and 336 transitions. [2024-11-10 00:10:44,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:10:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 153 [2024-11-10 00:10:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:10:44,064 INFO L225 Difference]: With dead ends: 238 [2024-11-10 00:10:44,065 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 00:10:44,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:10:44,067 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:10:44,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 482 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:10:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 00:10:44,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-10 00:10:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.2222222222222223) internal successors, (99), 81 states have internal predecessors, (99), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 00:10:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 171 transitions. [2024-11-10 00:10:44,088 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 171 transitions. Word has length 153 [2024-11-10 00:10:44,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:10:44,090 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 171 transitions. [2024-11-10 00:10:44,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-10 00:10:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2024-11-10 00:10:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 00:10:44,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:44,094 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 4, 3, 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] [2024-11-10 00:10:44,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 00:10:44,294 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 [2024-11-10 00:10:44,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:44,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash -539696638, now seen corresponding path program 2 times [2024-11-10 00:10:44,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:44,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235237749] [2024-11-10 00:10:44,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:44,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 00:10:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 00:10:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 00:10:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 00:10:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:10:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:10:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 00:10:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 00:10:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 00:10:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 00:10:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 00:10:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 00:10:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 00:10:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 00:10:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 00:10:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 00:10:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 00:10:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 00:10:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 00:10:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 00:10:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 00:10:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 00:10:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-10 00:10:44,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:44,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235237749] [2024-11-10 00:10:44,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235237749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 00:10:44,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394708733] [2024-11-10 00:10:44,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 00:10:44,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 00:10:44,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:10:44,694 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) [2024-11-10 00:10:44,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 00:10:45,171 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 00:10:45,172 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 00:10:45,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 00:10:45,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 00:10:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2024-11-10 00:10:45,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 00:10:45,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394708733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:10:45,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 00:10:45,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-10 00:10:45,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910139527] [2024-11-10 00:10:45,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:10:45,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:10:45,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:45,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:10:45,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 00:10:45,452 INFO L87 Difference]: Start difference. First operand 123 states and 171 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:45,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:10:45,503 INFO L93 Difference]: Finished difference Result 228 states and 325 transitions. [2024-11-10 00:10:45,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:10:45,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 157 [2024-11-10 00:10:45,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:10:45,508 INFO L225 Difference]: With dead ends: 228 [2024-11-10 00:10:45,509 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 00:10:45,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:10:45,510 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 74 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 501 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 [2024-11-10 00:10:45,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 501 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:10:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 00:10:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-10 00:10:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 117 states have (on average 1.264957264957265) internal successors, (148), 117 states have internal predecessors, (148), 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) [2024-11-10 00:10:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 250 transitions. [2024-11-10 00:10:45,532 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 250 transitions. Word has length 157 [2024-11-10 00:10:45,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:10:45,533 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 250 transitions. [2024-11-10 00:10:45,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 00:10:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 250 transitions. [2024-11-10 00:10:45,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 00:10:45,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:45,536 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:10:45,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 00:10:45,736 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 [2024-11-10 00:10:45,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:45,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1341335815, now seen corresponding path program 1 times [2024-11-10 00:10:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:45,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338487485] [2024-11-10 00:10:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 00:10:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 00:10:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 00:10:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 00:10:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 00:10:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:10:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:10:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 00:10:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 00:10:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 00:10:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 00:10:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 00:10:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 00:10:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 00:10:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 00:10:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 00:10:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 00:10:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 00:10:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 00:10:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 00:10:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 00:10:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 00:10:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 00:10:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 00:10:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 00:10:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 00:10:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 00:10:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 00:10:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 00:10:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-10 00:10:46,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:46,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338487485] [2024-11-10 00:10:46,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338487485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 00:10:46,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888360880] [2024-11-10 00:10:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:46,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 00:10:46,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:10:46,518 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) [2024-11-10 00:10:46,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 00:10:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:47,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 00:10:47,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 00:10:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-10 00:10:47,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 00:10:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-10 00:10:47,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888360880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 00:10:47,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 00:10:47,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-10 00:10:47,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27060738] [2024-11-10 00:10:47,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 00:10:47,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:10:47,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:47,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:10:47,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:10:47,554 INFO L87 Difference]: Start difference. First operand 177 states and 250 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-10 00:10:52,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:10:56,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:10:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:10:57,287 INFO L93 Difference]: Finished difference Result 371 states and 523 transitions. [2024-11-10 00:10:57,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 00:10:57,288 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 226 [2024-11-10 00:10:57,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:10:57,291 INFO L225 Difference]: With dead ends: 371 [2024-11-10 00:10:57,292 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 00:10:57,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-10 00:10:57,294 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 36 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 38 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-10 00:10:57,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 629 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-11-10 00:10:57,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 00:10:57,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2024-11-10 00:10:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 142 states have (on average 1.232394366197183) internal successors, (175), 144 states have internal predecessors, (175), 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) [2024-11-10 00:10:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 281 transitions. [2024-11-10 00:10:57,335 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 281 transitions. Word has length 226 [2024-11-10 00:10:57,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:10:57,335 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 281 transitions. [2024-11-10 00:10:57,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (70), 6 states have call predecessors, (70), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-10 00:10:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 281 transitions. [2024-11-10 00:10:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-10 00:10:57,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:10:57,339 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 9, 4, 4, 4, 4, 4, 4, 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] [2024-11-10 00:10:57,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 00:10:57,543 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 [2024-11-10 00:10:57,544 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:10:57,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:10:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1786880857, now seen corresponding path program 2 times [2024-11-10 00:10:57,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:10:57,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465004103] [2024-11-10 00:10:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:10:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:10:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 00:10:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 00:10:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 00:10:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 00:10:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 00:10:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:10:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:10:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:10:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 00:10:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 00:10:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 00:10:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 00:10:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 00:10:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 00:10:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 00:10:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 00:10:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 00:10:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 00:10:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 00:10:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 00:10:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 00:10:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 00:10:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 00:10:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 00:10:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 00:10:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 00:10:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 00:10:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 00:10:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 00:10:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 00:10:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:10:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2024-11-10 00:10:58,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:10:58,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465004103] [2024-11-10 00:10:58,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465004103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:10:58,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:10:58,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:10:58,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164317875] [2024-11-10 00:10:58,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:10:58,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:10:58,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:10:58,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:10:58,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:10:58,885 INFO L87 Difference]: Start difference. First operand 204 states and 281 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 00:11:02,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:06,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:10,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:14,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:18,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:22,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:24,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:11:24,485 INFO L93 Difference]: Finished difference Result 520 states and 734 transitions. [2024-11-10 00:11:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 00:11:24,487 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 248 [2024-11-10 00:11:24,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:11:24,491 INFO L225 Difference]: With dead ends: 520 [2024-11-10 00:11:24,492 INFO L226 Difference]: Without dead ends: 370 [2024-11-10 00:11:24,493 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 [2024-11-10 00:11:24,493 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 196 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 135 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:11:24,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 687 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 577 Invalid, 6 Unknown, 0 Unchecked, 25.2s Time] [2024-11-10 00:11:24,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-10 00:11:24,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 358. [2024-11-10 00:11:24,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 237 states have (on average 1.240506329113924) internal successors, (294), 242 states have internal predecessors, (294), 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) [2024-11-10 00:11:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 507 transitions. [2024-11-10 00:11:24,539 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 507 transitions. Word has length 248 [2024-11-10 00:11:24,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:11:24,540 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 507 transitions. [2024-11-10 00:11:24,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 00:11:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 507 transitions. [2024-11-10 00:11:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-10 00:11:24,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:11:24,546 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 9, 4, 4, 4, 4, 4, 4, 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] [2024-11-10 00:11:24,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:11:24,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:11:24,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:11:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1625395241, now seen corresponding path program 1 times [2024-11-10 00:11:24,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:11:24,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783200822] [2024-11-10 00:11:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:11:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:11:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 00:11:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 00:11:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 00:11:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 00:11:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 00:11:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:11:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:11:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 00:11:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 00:11:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 00:11:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 00:11:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 00:11:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 00:11:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 00:11:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 00:11:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 00:11:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 00:11:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 00:11:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 00:11:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 00:11:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 00:11:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 00:11:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 00:11:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 00:11:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 00:11:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 00:11:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 00:11:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 00:11:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 00:11:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2024-11-10 00:11:25,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:11:25,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783200822] [2024-11-10 00:11:25,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783200822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:11:25,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:11:25,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:11:25,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353110650] [2024-11-10 00:11:25,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:11:25,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:11:25,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:11:25,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:11:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:11:25,720 INFO L87 Difference]: Start difference. First operand 358 states and 507 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 00:11:30,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:34,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:38,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:42,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:44,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:11:44,576 INFO L93 Difference]: Finished difference Result 647 states and 907 transitions. [2024-11-10 00:11:44,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 00:11:44,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 248 [2024-11-10 00:11:44,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:11:44,580 INFO L225 Difference]: With dead ends: 647 [2024-11-10 00:11:44,581 INFO L226 Difference]: Without dead ends: 334 [2024-11-10 00:11:44,582 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 [2024-11-10 00:11:44,583 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 156 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:11:44,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 753 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 697 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2024-11-10 00:11:44,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-10 00:11:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2024-11-10 00:11:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 216 states have (on average 1.2037037037037037) internal successors, (260), 220 states have internal predecessors, (260), 86 states have call successors, (86), 18 states have call predecessors, (86), 22 states have return successors, (100), 86 states have call predecessors, (100), 86 states have call successors, (100) [2024-11-10 00:11:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 446 transitions. [2024-11-10 00:11:44,623 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 446 transitions. Word has length 248 [2024-11-10 00:11:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:11:44,623 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 446 transitions. [2024-11-10 00:11:44,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-10 00:11:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 446 transitions. [2024-11-10 00:11:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-10 00:11:44,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:11:44,628 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 9, 4, 4, 4, 4, 4, 4, 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] [2024-11-10 00:11:44,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:11:44,628 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:11:44,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:11:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1766316053, now seen corresponding path program 1 times [2024-11-10 00:11:44,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:11:44,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921156043] [2024-11-10 00:11:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:11:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:11:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 00:11:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 00:11:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 00:11:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 00:11:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 00:11:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 00:11:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 00:11:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 00:11:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 00:11:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 00:11:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 00:11:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 00:11:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 00:11:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 00:11:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 00:11:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 00:11:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 00:11:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 00:11:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 00:11:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 00:11:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:45,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 00:11:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 00:11:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 00:11:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 00:11:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 00:11:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 00:11:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 00:11:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 00:11:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 00:11:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 00:11:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1478 trivial. 0 not checked. [2024-11-10 00:11:46,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:11:46,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921156043] [2024-11-10 00:11:46,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921156043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 00:11:46,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777825830] [2024-11-10 00:11:46,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:11:46,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 00:11:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:11:46,041 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) [2024-11-10 00:11:46,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 00:11:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:11:46,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 1877 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 00:11:46,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 00:11:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 352 proven. 4 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-10 00:11:46,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 00:11:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2024-11-10 00:11:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777825830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 00:11:47,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 00:11:47,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-11-10 00:11:47,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136306447] [2024-11-10 00:11:47,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 00:11:47,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 00:11:47,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:11:47,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 00:11:47,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-10 00:11:47,436 INFO L87 Difference]: Start difference. First operand 325 states and 446 transitions. Second operand has 16 states, 16 states have (on average 5.9375) internal successors, (95), 12 states have internal predecessors, (95), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) [2024-11-10 00:11:51,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:55,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 00:11:59,504 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 [] [2024-11-10 00:12:02,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:12:02,605 INFO L93 Difference]: Finished difference Result 626 states and 882 transitions. [2024-11-10 00:12:02,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 00:12:02,605 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.9375) internal successors, (95), 12 states have internal predecessors, (95), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) Word has length 248 [2024-11-10 00:12:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:12:02,609 INFO L225 Difference]: With dead ends: 626 [2024-11-10 00:12:02,609 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 00:12:02,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-10 00:12:02,612 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 217 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 141 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:12:02,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 801 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 897 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2024-11-10 00:12:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 00:12:02,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 338. [2024-11-10 00:12:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 230 states have (on average 1.2304347826086957) internal successors, (283), 234 states have internal predecessors, (283), 77 states have call successors, (77), 26 states have call predecessors, (77), 30 states have return successors, (101), 77 states have call predecessors, (101), 77 states have call successors, (101) [2024-11-10 00:12:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 461 transitions. [2024-11-10 00:12:02,676 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 461 transitions. Word has length 248 [2024-11-10 00:12:02,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:12:02,676 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 461 transitions. [2024-11-10 00:12:02,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.9375) internal successors, (95), 12 states have internal predecessors, (95), 9 states have call successors, (64), 8 states have call predecessors, (64), 7 states have return successors, (63), 7 states have call predecessors, (63), 9 states have call successors, (63) [2024-11-10 00:12:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 461 transitions. [2024-11-10 00:12:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-10 00:12:02,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:12:02,680 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 9, 4, 4, 4, 4, 4, 4, 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] [2024-11-10 00:12:02,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 00:12:02,880 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 [2024-11-10 00:12:02,880 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:12:02,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:12:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -240751573, now seen corresponding path program 1 times [2024-11-10 00:12:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:12:02,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210493590] [2024-11-10 00:12:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:12:02,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:12:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat