./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 3289d67d 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-3289d67-m [2024-11-16 08:50:37,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:50:37,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:50:37,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:50:37,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:50:37,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:50:37,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:50:37,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:50:37,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:50:37,610 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:50:37,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:50:37,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:50:37,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:50:37,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:50:37,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:50:37,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:50:37,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:50:37,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:50:37,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:50:37,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:50:37,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:50:37,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:50:37,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:50:37,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:50:37,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:50:37,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:50:37,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:50:37,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:50:37,615 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:50:37,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:50:37,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:50:37,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:50:37,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:50:37,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:50:37,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:50:37,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:50:37,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:50:37,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:50:37,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:50:37,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:50:37,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:50:37,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:50:37,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2024-11-16 08:50:37,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:50:37,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:50:37,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:50:37,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:50:37,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:50:37,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-16 08:50:39,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:50:39,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:50:39,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-16 08:50:39,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f577c3d0/900e4877d73b4df1af351bd514cff23b/FLAGaf3adf7c6 [2024-11-16 08:50:39,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f577c3d0/900e4877d73b4df1af351bd514cff23b [2024-11-16 08:50:39,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:50:39,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:50:39,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:50:39,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:50:39,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:50:39,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:50:39" (1/1) ... [2024-11-16 08:50:39,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a42f223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:39, skipping insertion in model container [2024-11-16 08:50:39,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:50:39" (1/1) ... [2024-11-16 08:50:39,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:50:40,088 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] [2024-11-16 08:50:40,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:50:40,252 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:50:40,295 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] [2024-11-16 08:50:40,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:50:40,391 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:50:40,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40 WrapperNode [2024-11-16 08:50:40,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:50:40,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:50:40,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:50:40,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:50:40,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,498 INFO L138 Inliner]: procedures = 145, calls = 360, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 475 [2024-11-16 08:50:40,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:50:40,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:50:40,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:50:40,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:50:40,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,572 INFO L175 MemorySlicer]: Split 168 memory accesses to 20 slices as follows [2, 8, 8, 8, 5, 6, 29, 21, 7, 7, 7, 7, 5, 7, 5, 5, 13, 13, 0, 5]. 17 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [2, 3, 3, 3, 0, 2, 9, 9, 3, 3, 3, 3, 0, 3, 0, 0, 0, 0, 0, 0]. The 42 writes are split as follows [0, 2, 2, 2, 1, 2, 11, 6, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 0, 1]. [2024-11-16 08:50:40,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,621 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:50:40,666 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:50:40,666 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:50:40,666 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:50:40,667 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (1/1) ... [2024-11-16 08:50:40,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:50:40,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:50:40,713 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) [2024-11-16 08:50:40,716 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 [2024-11-16 08:50:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 08:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 08:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 08:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 08:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 08:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 08:50:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 08:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 08:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 08:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 08:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 08:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 08:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 08:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 08:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 08:50:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 08:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 08:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-16 08:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-16 08:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-16 08:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-16 08:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 08:50:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 08:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 08:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 08:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 08:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 08:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 08:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 08:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-16 08:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-16 08:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-16 08:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-16 08:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-16 08:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-16 08:50:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-16 08:50:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-16 08:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-16 08:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-16 08:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-16 08:50:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-16 08:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 08:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 08:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 08:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 08:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 08:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 08:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 08:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 08:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 08:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 08:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-16 08:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-16 08:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-16 08:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-16 08:50:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-16 08:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-16 08:50:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-16 08:50:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-16 08:50:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-16 08:50:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-16 08:50:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-16 08:50:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-16 08:50:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 08:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 08:50:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 08:50:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 08:50:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 08:50:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-16 08:50:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-16 08:50:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-16 08:50:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:50:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:50:41,051 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:50:41,053 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:50:45,726 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-16 08:50:45,726 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:50:45,746 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:50:45,746 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:50:45,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:50:45 BoogieIcfgContainer [2024-11-16 08:50:45,748 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:50:45,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:50:45,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:50:45,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:50:45,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:50:39" (1/3) ... [2024-11-16 08:50:45,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1588367f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:50:45, skipping insertion in model container [2024-11-16 08:50:45,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:50:40" (2/3) ... [2024-11-16 08:50:45,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1588367f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:50:45, skipping insertion in model container [2024-11-16 08:50:45,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:50:45" (3/3) ... [2024-11-16 08:50:45,758 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2024-11-16 08:50:45,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:50:45,775 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 08:50:45,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:50:45,856 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;@43be732a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:50:45,856 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 08:50:45,860 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) [2024-11-16 08:50:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-16 08:50:45,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:50:45,876 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] [2024-11-16 08:50:45,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:50:45,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:50:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1240432300, now seen corresponding path program 1 times [2024-11-16 08:50:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:50:45,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27241701] [2024-11-16 08:50:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:45,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:50:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 08:50:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 08:50:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 08:50:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 08:50:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 08:50:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 08:50:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:50:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:50:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 08:50:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 08:50:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 08:50:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 08:50:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 08:50:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 08:50:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 08:50:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 08:50:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 08:50:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 08:50:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 08:50:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 08:50:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 08:50:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 08:50:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 08:50:46,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:50:46,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27241701] [2024-11-16 08:50:46,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27241701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:50:46,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:50:46,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 08:50:46,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115150877] [2024-11-16 08:50:46,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:50:46,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 08:50:46,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:50:46,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 08:50:46,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 08:50:46,686 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) [2024-11-16 08:50:46,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:50:46,737 INFO L93 Difference]: Finished difference Result 237 states and 375 transitions. [2024-11-16 08:50:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 08:50:46,739 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 [2024-11-16 08:50:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:50:46,747 INFO L225 Difference]: With dead ends: 237 [2024-11-16 08:50:46,747 INFO L226 Difference]: Without dead ends: 115 [2024-11-16 08:50:46,751 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 [2024-11-16 08:50:46,756 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 [2024-11-16 08:50:46,758 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] [2024-11-16 08:50:46,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-16 08:50:46,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-16 08:50:46,829 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) [2024-11-16 08:50:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-16 08:50:46,838 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 145 [2024-11-16 08:50:46,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:50:46,839 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-16 08:50:46,841 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) [2024-11-16 08:50:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-16 08:50:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-16 08:50:46,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:50:46,849 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] [2024-11-16 08:50:46,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:50:46,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:50:46,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:50:46,851 INFO L85 PathProgramCache]: Analyzing trace with hash -377422933, now seen corresponding path program 1 times [2024-11-16 08:50:46,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:50:46,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269475709] [2024-11-16 08:50:46,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:50:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 08:50:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 08:50:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 08:50:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 08:50:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 08:50:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 08:50:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 08:50:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 08:50:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 08:50:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 08:50:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 08:50:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 08:50:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 08:50:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 08:50:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 08:50:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 08:50:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 08:50:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 08:50:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 08:50:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 08:50:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 08:50:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 08:50:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 08:50:47,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:50:47,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269475709] [2024-11-16 08:50:47,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269475709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:50:47,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:50:47,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:50:47,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500884840] [2024-11-16 08:50:47,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:50:47,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:50:47,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:50:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:50:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:50:47,411 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) [2024-11-16 08:50:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:50:47,474 INFO L93 Difference]: Finished difference Result 228 states and 324 transitions. [2024-11-16 08:50:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:50:47,476 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 [2024-11-16 08:50:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:50:47,477 INFO L225 Difference]: With dead ends: 228 [2024-11-16 08:50:47,478 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 08:50:47,479 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 [2024-11-16 08:50:47,482 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 [2024-11-16 08:50:47,483 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] [2024-11-16 08:50:47,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 08:50:47,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2024-11-16 08:50:47,502 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) [2024-11-16 08:50:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2024-11-16 08:50:47,504 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 146 [2024-11-16 08:50:47,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:50:47,504 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2024-11-16 08:50:47,505 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) [2024-11-16 08:50:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2024-11-16 08:50:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 08:50:47,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:50:47,507 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] [2024-11-16 08:50:47,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:50:47,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:50:47,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:50:47,508 INFO L85 PathProgramCache]: Analyzing trace with hash -706571649, now seen corresponding path program 1 times [2024-11-16 08:50:47,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:50:47,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455066378] [2024-11-16 08:50:47,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:47,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:50:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 08:50:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 08:50:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 08:50:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 08:50:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 08:50:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:50:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:50:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 08:50:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 08:50:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 08:50:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 08:50:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 08:50:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 08:50:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 08:50:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 08:50:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 08:50:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 08:50:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 08:50:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 08:50:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 08:50:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 08:50:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 08:50:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 08:50:47,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:50:47,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455066378] [2024-11-16 08:50:47,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455066378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:50:47,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:50:47,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:50:47,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140879674] [2024-11-16 08:50:47,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:50:47,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:50:47,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:50:47,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:50:47,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:50:47,887 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) [2024-11-16 08:50:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:50:47,923 INFO L93 Difference]: Finished difference Result 232 states and 329 transitions. [2024-11-16 08:50:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:50:47,927 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 [2024-11-16 08:50:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:50:47,929 INFO L225 Difference]: With dead ends: 232 [2024-11-16 08:50:47,929 INFO L226 Difference]: Without dead ends: 119 [2024-11-16 08:50:47,931 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 [2024-11-16 08:50:47,931 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 [2024-11-16 08:50:47,932 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] [2024-11-16 08:50:47,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-16 08:50:47,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-16 08:50:47,941 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) [2024-11-16 08:50:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2024-11-16 08:50:47,942 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 151 [2024-11-16 08:50:47,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:50:47,943 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2024-11-16 08:50:47,943 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) [2024-11-16 08:50:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2024-11-16 08:50:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-16 08:50:47,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:50:47,945 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] [2024-11-16 08:50:47,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:50:47,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:50:47,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:50:47,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1920292544, now seen corresponding path program 1 times [2024-11-16 08:50:47,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:50:47,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966713728] [2024-11-16 08:50:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:47,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:50:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 08:50:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 08:50:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 08:50:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 08:50:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 08:50:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 08:50:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 08:50:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 08:50:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 08:50:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 08:50:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 08:50:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 08:50:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 08:50:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 08:50:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 08:50:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 08:50:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 08:50:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 08:50:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 08:50:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 08:50:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 08:50:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 08:50:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 08:50:48,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:50:48,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966713728] [2024-11-16 08:50:48,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966713728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:50:48,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996881314] [2024-11-16 08:50:48,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:48,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:50:48,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:50:48,379 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) [2024-11-16 08:50:48,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 08:50:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:48,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 08:50:48,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:50:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 08:50:48,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:50:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-16 08:50:49,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996881314] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:50:49,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:50:49,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-16 08:50:49,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478944503] [2024-11-16 08:50:49,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:50:49,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:50:49,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:50:49,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:50:49,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:50:49,172 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) [2024-11-16 08:50:49,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:50:49,218 INFO L93 Difference]: Finished difference Result 238 states and 336 transitions. [2024-11-16 08:50:49,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:50:49,219 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 [2024-11-16 08:50:49,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:50:49,221 INFO L225 Difference]: With dead ends: 238 [2024-11-16 08:50:49,221 INFO L226 Difference]: Without dead ends: 123 [2024-11-16 08:50:49,222 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 [2024-11-16 08:50:49,223 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 [2024-11-16 08:50:49,223 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] [2024-11-16 08:50:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-16 08:50:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-16 08:50:49,231 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) [2024-11-16 08:50:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 171 transitions. [2024-11-16 08:50:49,233 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 171 transitions. Word has length 153 [2024-11-16 08:50:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:50:49,233 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 171 transitions. [2024-11-16 08:50:49,233 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) [2024-11-16 08:50:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2024-11-16 08:50:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 08:50:49,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:50:49,236 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] [2024-11-16 08:50:49,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 08:50:49,436 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 [2024-11-16 08:50:49,437 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:50:49,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:50:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash -539696638, now seen corresponding path program 2 times [2024-11-16 08:50:49,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:50:49,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475628471] [2024-11-16 08:50:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:50:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 08:50:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 08:50:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 08:50:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 08:50:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:50:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:50:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-16 08:50:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 08:50:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 08:50:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 08:50:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 08:50:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 08:50:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 08:50:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 08:50:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 08:50:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 08:50:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 08:50:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 08:50:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 08:50:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 08:50:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 08:50:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 08:50:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:49,795 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-16 08:50:49,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:50:49,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475628471] [2024-11-16 08:50:49,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475628471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:50:49,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652843450] [2024-11-16 08:50:49,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 08:50:49,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:50:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:50:49,798 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) [2024-11-16 08:50:49,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 08:50:50,230 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 08:50:50,230 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 08:50:50,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 08:50:50,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:50:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2024-11-16 08:50:50,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 08:50:50,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652843450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:50:50,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 08:50:50,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-16 08:50:50,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839754437] [2024-11-16 08:50:50,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:50:50,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:50:50,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:50:50,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:50:50,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:50:50,488 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) [2024-11-16 08:50:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:50:50,524 INFO L93 Difference]: Finished difference Result 228 states and 325 transitions. [2024-11-16 08:50:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:50:50,524 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 [2024-11-16 08:50:50,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:50:50,530 INFO L225 Difference]: With dead ends: 228 [2024-11-16 08:50:50,530 INFO L226 Difference]: Without dead ends: 177 [2024-11-16 08:50:50,531 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 [2024-11-16 08:50:50,532 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 [2024-11-16 08:50:50,533 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] [2024-11-16 08:50:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-16 08:50:50,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-16 08:50:50,557 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) [2024-11-16 08:50:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 250 transitions. [2024-11-16 08:50:50,559 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 250 transitions. Word has length 157 [2024-11-16 08:50:50,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:50:50,559 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 250 transitions. [2024-11-16 08:50:50,560 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) [2024-11-16 08:50:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 250 transitions. [2024-11-16 08:50:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-16 08:50:50,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:50:50,564 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] [2024-11-16 08:50:50,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 08:50:50,765 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 [2024-11-16 08:50:50,766 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:50:50,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:50:50,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1341335815, now seen corresponding path program 1 times [2024-11-16 08:50:50,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:50:50,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326849864] [2024-11-16 08:50:50,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:50:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 08:50:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:50:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:50:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 08:50:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 08:50:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:50:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 08:50:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 08:50:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:50:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:50:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:50:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:50:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 08:50:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 08:50:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 08:50:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 08:50:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 08:50:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 08:50:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 08:50:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 08:50:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 08:50:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 08:50:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 08:50:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 08:50:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 08:50:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 08:50:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 08:50:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 08:50:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 08:50:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 08:50:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 08:50:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 08:50:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-16 08:50:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 08:50:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-16 08:50:51,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:50:51,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326849864] [2024-11-16 08:50:51,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326849864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:50:51,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474917] [2024-11-16 08:50:51,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:50:51,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:50:51,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:50:51,416 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) [2024-11-16 08:50:51,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 08:50:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:50:51,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 08:50:51,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:50:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-16 08:50:52,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:50:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-11-16 08:50:52,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474917] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:50:52,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:50:52,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 10 [2024-11-16 08:50:52,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242424387] [2024-11-16 08:50:52,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:50:52,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:50:52,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:50:52,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:50:52,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:50:52,325 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) [2024-11-16 08:50:56,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:00,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:04,460 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 [] [2024-11-16 08:51:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:51:05,476 INFO L93 Difference]: Finished difference Result 371 states and 523 transitions. [2024-11-16 08:51:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:51:05,477 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 [2024-11-16 08:51:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:51:05,481 INFO L225 Difference]: With dead ends: 371 [2024-11-16 08:51:05,481 INFO L226 Difference]: Without dead ends: 209 [2024-11-16 08:51:05,482 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 [2024-11-16 08:51:05,483 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 36 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 38 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:51:05,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 629 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 483 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2024-11-16 08:51:05,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-16 08:51:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2024-11-16 08:51:05,503 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) [2024-11-16 08:51:05,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 281 transitions. [2024-11-16 08:51:05,505 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 281 transitions. Word has length 226 [2024-11-16 08:51:05,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:51:05,506 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 281 transitions. [2024-11-16 08:51:05,506 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) [2024-11-16 08:51:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 281 transitions. [2024-11-16 08:51:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-16 08:51:05,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:51:05,509 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] [2024-11-16 08:51:05,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 08:51:05,710 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 [2024-11-16 08:51:05,710 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:51:05,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:51:05,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1786880857, now seen corresponding path program 2 times [2024-11-16 08:51:05,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:51:05,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63641603] [2024-11-16 08:51:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:51:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:51:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 08:51:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 08:51:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 08:51:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 08:51:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 08:51:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:51:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:51:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 08:51:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 08:51:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 08:51:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 08:51:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 08:51:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 08:51:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 08:51:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 08:51:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 08:51:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 08:51:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 08:51:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 08:51:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 08:51:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 08:51:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 08:51:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 08:51:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 08:51:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 08:51:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 08:51:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 08:51:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 08:51:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 08:51:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2024-11-16 08:51:06,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:51:06,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63641603] [2024-11-16 08:51:06,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63641603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:51:06,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:51:06,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:51:06,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454228283] [2024-11-16 08:51:06,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:51:06,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:51:06,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:51:06,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:51:06,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:51:06,851 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) [2024-11-16 08:51:10,874 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 [] [2024-11-16 08:51:14,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:18,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:22,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:26,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:30,955 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 [] [2024-11-16 08:51:32,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:51:32,330 INFO L93 Difference]: Finished difference Result 520 states and 734 transitions. [2024-11-16 08:51:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:51:32,331 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 [2024-11-16 08:51:32,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:51:32,334 INFO L225 Difference]: With dead ends: 520 [2024-11-16 08:51:32,335 INFO L226 Difference]: Without dead ends: 370 [2024-11-16 08:51:32,336 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 [2024-11-16 08:51:32,336 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 196 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 135 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s 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, 25.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:51:32,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 687 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 577 Invalid, 6 Unknown, 0 Unchecked, 25.1s Time] [2024-11-16 08:51:32,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-16 08:51:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 358. [2024-11-16 08:51:32,377 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) [2024-11-16 08:51:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 507 transitions. [2024-11-16 08:51:32,380 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 507 transitions. Word has length 248 [2024-11-16 08:51:32,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:51:32,381 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 507 transitions. [2024-11-16 08:51:32,381 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) [2024-11-16 08:51:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 507 transitions. [2024-11-16 08:51:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-16 08:51:32,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:51:32,385 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] [2024-11-16 08:51:32,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:51:32,386 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:51:32,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:51:32,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1625395241, now seen corresponding path program 1 times [2024-11-16 08:51:32,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:51:32,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395717316] [2024-11-16 08:51:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:51:32,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:51:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 08:51:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 08:51:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 08:51:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 08:51:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 08:51:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:51:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:51:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 08:51:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 08:51:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 08:51:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 08:51:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 08:51:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 08:51:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 08:51:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 08:51:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 08:51:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 08:51:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 08:51:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 08:51:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 08:51:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 08:51:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 08:51:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 08:51:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 08:51:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 08:51:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 08:51:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 08:51:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 08:51:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 08:51:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2024-11-16 08:51:33,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:51:33,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395717316] [2024-11-16 08:51:33,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395717316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:51:33,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:51:33,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:51:33,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024764476] [2024-11-16 08:51:33,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:51:33,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:51:33,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:51:33,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:51:33,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:51:33,492 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) [2024-11-16 08:51:37,521 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 [] [2024-11-16 08:51:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:45,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:51:48,218 INFO L93 Difference]: Finished difference Result 647 states and 907 transitions. [2024-11-16 08:51:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:51:48,218 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 [2024-11-16 08:51:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:51:48,221 INFO L225 Difference]: With dead ends: 647 [2024-11-16 08:51:48,221 INFO L226 Difference]: Without dead ends: 334 [2024-11-16 08:51:48,222 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 [2024-11-16 08:51:48,223 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 156 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 53 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:51:48,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 753 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 698 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2024-11-16 08:51:48,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-16 08:51:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2024-11-16 08:51:48,255 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) [2024-11-16 08:51:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 446 transitions. [2024-11-16 08:51:48,258 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 446 transitions. Word has length 248 [2024-11-16 08:51:48,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:51:48,259 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 446 transitions. [2024-11-16 08:51:48,259 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) [2024-11-16 08:51:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 446 transitions. [2024-11-16 08:51:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-16 08:51:48,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:51:48,263 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] [2024-11-16 08:51:48,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:51:48,263 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:51:48,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:51:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1766316053, now seen corresponding path program 1 times [2024-11-16 08:51:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:51:48,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964737597] [2024-11-16 08:51:48,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:51:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:51:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 08:51:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 08:51:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 08:51:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 08:51:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 08:51:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:51:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:51:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:51:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 08:51:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 08:51:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 08:51:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 08:51:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 08:51:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 08:51:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 08:51:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 08:51:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 08:51:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 08:51:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 08:51:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 08:51:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 08:51:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 08:51:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 08:51:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 08:51:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 08:51:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 08:51:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 08:51:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 08:51:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 08:51:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 08:51:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1478 trivial. 0 not checked. [2024-11-16 08:51:49,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:51:49,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964737597] [2024-11-16 08:51:49,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964737597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:51:49,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293960674] [2024-11-16 08:51:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:51:49,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:51:49,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:51:49,473 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) [2024-11-16 08:51:49,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 08:51:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:51:50,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 1877 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 08:51:50,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:51:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 352 proven. 4 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-16 08:51:50,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:51:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2024-11-16 08:51:50,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293960674] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:51:50,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:51:50,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-11-16 08:51:50,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142838746] [2024-11-16 08:51:50,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:51:50,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:51:50,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:51:50,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:51:50,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:51:50,816 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) [2024-11-16 08:51:54,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:51:59,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 08:52:03,325 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 [] [2024-11-16 08:52:05,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:52:05,779 INFO L93 Difference]: Finished difference Result 626 states and 882 transitions. [2024-11-16 08:52:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 08:52:05,779 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 [2024-11-16 08:52:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:52:05,782 INFO L225 Difference]: With dead ends: 626 [2024-11-16 08:52:05,782 INFO L226 Difference]: Without dead ends: 345 [2024-11-16 08:52:05,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:52:05,785 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 217 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 141 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s 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, 14.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:52:05,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 801 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 897 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2024-11-16 08:52:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-16 08:52:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 338. [2024-11-16 08:52:05,813 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) [2024-11-16 08:52:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 461 transitions. [2024-11-16 08:52:05,817 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 461 transitions. Word has length 248 [2024-11-16 08:52:05,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:52:05,818 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 461 transitions. [2024-11-16 08:52:05,818 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) [2024-11-16 08:52:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 461 transitions. [2024-11-16 08:52:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-16 08:52:05,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:52:05,823 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] [2024-11-16 08:52:05,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 08:52:06,023 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 [2024-11-16 08:52:06,024 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:52:06,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:52:06,024 INFO L85 PathProgramCache]: Analyzing trace with hash -240751573, now seen corresponding path program 1 times [2024-11-16 08:52:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:52:06,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037092721] [2024-11-16 08:52:06,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:52:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:52:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 08:52:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:52:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:52:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 08:52:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 08:52:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:52:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 08:52:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 08:52:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:52:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 08:52:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 08:52:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 08:52:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 08:52:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 08:52:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 08:52:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 08:52:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 08:52:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 08:52:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 08:52:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 08:52:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 08:52:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 08:52:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 08:52:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 08:52:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 08:52:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 08:52:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-16 08:52:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-16 08:52:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 08:52:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 08:52:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 08:52:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 08:52:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 08:52:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-16 08:52:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1478 trivial. 0 not checked. [2024-11-16 08:52:09,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:52:09,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037092721] [2024-11-16 08:52:09,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037092721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:52:09,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923271784] [2024-11-16 08:52:09,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:52:09,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:52:09,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:52:09,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:52:09,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 08:52:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:52:10,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 1975 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-16 08:52:10,302 INFO L278 TraceCheckSpWp]: Computing forward predicates...