./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.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 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 07:08:31,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 07:08:31,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 07:08:31,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 07:08:31,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 07:08:31,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 07:08:31,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 07:08:31,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 07:08:31,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 07:08:31,656 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 07:08:31,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 07:08:31,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 07:08:31,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 07:08:31,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 07:08:31,658 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 07:08:31,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 07:08:31,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 07:08:31,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 07:08:31,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 07:08:31,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 07:08:31,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 07:08:31,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 07:08:31,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 07:08:31,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 07:08:31,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 07:08:31,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 07:08:31,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 07:08:31,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 07:08:31,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 07:08:31,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 07:08:31,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 07:08:31,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 07:08:31,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:08:31,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 07:08:31,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 07:08:31,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 07:08:31,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 07:08:31,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 07:08:31,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 07:08:31,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 07:08:31,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 07:08:31,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 07:08:31,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 [2024-11-12 07:08:31,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 07:08:31,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 07:08:31,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 07:08:31,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 07:08:31,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 07:08:31,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2024-11-12 07:08:33,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 07:08:33,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 07:08:33,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2024-11-12 07:08:33,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257829b2c/cee3ca9b2e1c4661b726aad5e5243b4d/FLAGbea360be2 [2024-11-12 07:08:33,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257829b2c/cee3ca9b2e1c4661b726aad5e5243b4d [2024-11-12 07:08:33,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 07:08:33,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 07:08:33,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 07:08:33,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 07:08:33,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 07:08:33,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:33,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dee18d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33, skipping insertion in model container [2024-11-12 07:08:33,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:33,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 07:08:33,713 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/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i[916,929] [2024-11-12 07:08:33,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:08:33,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 07:08:33,839 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/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i[916,929] [2024-11-12 07:08:33,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:08:33,908 INFO L204 MainTranslator]: Completed translation [2024-11-12 07:08:33,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33 WrapperNode [2024-11-12 07:08:33,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 07:08:33,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 07:08:33,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 07:08:33,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 07:08:33,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:33,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,013 INFO L138 Inliner]: procedures = 26, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 440 [2024-11-12 07:08:34,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 07:08:34,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 07:08:34,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 07:08:34,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 07:08:34,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,099 INFO L175 MemorySlicer]: Split 124 memory accesses to 6 slices as follows [2, 14, 23, 8, 24, 53]. 43 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 2, 3, 1, 2, 4]. The 15 writes are split as follows [0, 2, 5, 2, 2, 4]. [2024-11-12 07:08:34,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 07:08:34,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 07:08:34,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 07:08:34,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 07:08:34,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (1/1) ... [2024-11-12 07:08:34,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:08:34,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:08:34,166 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) [2024-11-12 07:08:34,174 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 [2024-11-12 07:08:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 07:08:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 07:08:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 07:08:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 07:08:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 07:08:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 07:08:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 07:08:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 07:08:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 07:08:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 07:08:34,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 07:08:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 07:08:34,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 07:08:34,331 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 07:08:34,333 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 07:08:34,654 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-12 07:08:34,654 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 07:08:34,665 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 07:08:34,665 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 07:08:34,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:34 BoogieIcfgContainer [2024-11-12 07:08:34,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 07:08:34,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 07:08:34,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 07:08:34,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 07:08:34,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:08:33" (1/3) ... [2024-11-12 07:08:34,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:08:34, skipping insertion in model container [2024-11-12 07:08:34,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:08:33" (2/3) ... [2024-11-12 07:08:34,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:08:34, skipping insertion in model container [2024-11-12 07:08:34,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:08:34" (3/3) ... [2024-11-12 07:08:34,673 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-32.i [2024-11-12 07:08:34,686 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 07:08:34,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 07:08:34,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 07:08:34,748 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;@3151b5bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 07:08:34,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 07:08:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 79 states have internal predecessors, (107), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 07:08:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-12 07:08:34,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:34,762 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:34,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:34,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:34,767 INFO L85 PathProgramCache]: Analyzing trace with hash -2092387816, now seen corresponding path program 1 times [2024-11-12 07:08:34,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:34,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741092235] [2024-11-12 07:08:34,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:34,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:35,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:35,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741092235] [2024-11-12 07:08:35,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741092235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:35,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:35,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 07:08:35,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907358944] [2024-11-12 07:08:35,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:35,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 07:08:35,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:35,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 07:08:35,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:08:35,121 INFO L87 Difference]: Start difference. First operand has 99 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 79 states have internal predecessors, (107), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:08:35,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:35,144 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2024-11-12 07:08:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 07:08:35,147 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-11-12 07:08:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:35,156 INFO L225 Difference]: With dead ends: 191 [2024-11-12 07:08:35,156 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 07:08:35,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:08:35,161 INFO L435 NwaCegarLoop]: 132 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, 132 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 [2024-11-12 07:08:35,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:08:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 07:08:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-12 07:08:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 75 states have (on average 1.28) internal successors, (96), 75 states have internal predecessors, (96), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 07:08:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2024-11-12 07:08:35,198 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 129 [2024-11-12 07:08:35,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:35,198 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2024-11-12 07:08:35,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:08:35,199 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-11-12 07:08:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-12 07:08:35,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:35,203 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:35,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 07:08:35,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:35,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:35,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1151857908, now seen corresponding path program 1 times [2024-11-12 07:08:35,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:35,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758706057] [2024-11-12 07:08:35,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:35,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:35,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:35,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758706057] [2024-11-12 07:08:35,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758706057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:35,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:35,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:08:35,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847482205] [2024-11-12 07:08:35,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:35,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:08:35,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:35,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:08:35,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:08:35,593 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:08:35,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:35,761 INFO L93 Difference]: Finished difference Result 318 states and 444 transitions. [2024-11-12 07:08:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:08:35,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-11-12 07:08:35,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:35,764 INFO L225 Difference]: With dead ends: 318 [2024-11-12 07:08:35,766 INFO L226 Difference]: Without dead ends: 226 [2024-11-12 07:08:35,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:08:35,768 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 213 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:35,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 368 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:08:35,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-12 07:08:35,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2024-11-12 07:08:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 154 states have (on average 1.2857142857142858) internal successors, (198), 154 states have internal predecessors, (198), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 07:08:35,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 270 transitions. [2024-11-12 07:08:35,802 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 270 transitions. Word has length 129 [2024-11-12 07:08:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:35,803 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 270 transitions. [2024-11-12 07:08:35,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:08:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 270 transitions. [2024-11-12 07:08:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-12 07:08:35,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:35,804 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:35,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 07:08:35,805 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:35,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash 732352654, now seen corresponding path program 1 times [2024-11-12 07:08:35,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:35,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479343255] [2024-11-12 07:08:35,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:37,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:37,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479343255] [2024-11-12 07:08:37,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479343255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:37,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:37,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:08:37,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577931008] [2024-11-12 07:08:37,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:37,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:08:37,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:37,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:08:37,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:08:37,156 INFO L87 Difference]: Start difference. First operand 193 states and 270 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:08:37,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:37,726 INFO L93 Difference]: Finished difference Result 543 states and 762 transitions. [2024-11-12 07:08:37,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 07:08:37,727 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 137 [2024-11-12 07:08:37,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:37,730 INFO L225 Difference]: With dead ends: 543 [2024-11-12 07:08:37,731 INFO L226 Difference]: Without dead ends: 353 [2024-11-12 07:08:37,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:08:37,735 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 104 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:37,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 849 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:08:37,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-12 07:08:37,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2024-11-12 07:08:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 284 states have (on average 1.2992957746478873) internal successors, (369), 286 states have internal predecessors, (369), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-12 07:08:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 489 transitions. [2024-11-12 07:08:37,771 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 489 transitions. Word has length 137 [2024-11-12 07:08:37,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:37,772 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 489 transitions. [2024-11-12 07:08:37,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:08:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 489 transitions. [2024-11-12 07:08:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:08:37,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:37,774 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:37,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 07:08:37,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:37,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:37,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1144659733, now seen corresponding path program 1 times [2024-11-12 07:08:37,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:37,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722937507] [2024-11-12 07:08:37,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:37,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:40,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722937507] [2024-11-12 07:08:40,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722937507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:40,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:40,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 07:08:40,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598965768] [2024-11-12 07:08:40,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:40,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 07:08:40,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:40,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 07:08:40,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:08:40,370 INFO L87 Difference]: Start difference. First operand 349 states and 489 transitions. Second operand has 18 states, 15 states have (on average 3.466666666666667) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:43,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:43,061 INFO L93 Difference]: Finished difference Result 860 states and 1194 transitions. [2024-11-12 07:08:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 07:08:43,061 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.466666666666667) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 139 [2024-11-12 07:08:43,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:43,066 INFO L225 Difference]: With dead ends: 860 [2024-11-12 07:08:43,066 INFO L226 Difference]: Without dead ends: 514 [2024-11-12 07:08:43,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-11-12 07:08:43,073 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 578 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:43,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1352 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 07:08:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-12 07:08:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 356. [2024-11-12 07:08:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 291 states have (on average 1.29553264604811) internal successors, (377), 293 states have internal predecessors, (377), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-12 07:08:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2024-11-12 07:08:43,119 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 139 [2024-11-12 07:08:43,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:43,120 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2024-11-12 07:08:43,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.466666666666667) internal successors, (52), 18 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2024-11-12 07:08:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:08:43,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:43,123 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:43,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 07:08:43,123 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:43,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:43,124 INFO L85 PathProgramCache]: Analyzing trace with hash 982324889, now seen corresponding path program 1 times [2024-11-12 07:08:43,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:43,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975109021] [2024-11-12 07:08:43,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:43,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:43,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975109021] [2024-11-12 07:08:43,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975109021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:43,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:43,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:08:43,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606557025] [2024-11-12 07:08:43,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:43,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:08:43,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:43,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:08:43,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:08:43,311 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:08:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:43,352 INFO L93 Difference]: Finished difference Result 721 states and 1007 transitions. [2024-11-12 07:08:43,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:08:43,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 139 [2024-11-12 07:08:43,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:43,356 INFO L225 Difference]: With dead ends: 721 [2024-11-12 07:08:43,358 INFO L226 Difference]: Without dead ends: 368 [2024-11-12 07:08:43,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:08:43,360 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:43,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 500 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:08:43,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-12 07:08:43,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-12 07:08:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 303 states have (on average 1.283828382838284) internal successors, (389), 305 states have internal predecessors, (389), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-12 07:08:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 509 transitions. [2024-11-12 07:08:43,400 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 509 transitions. Word has length 139 [2024-11-12 07:08:43,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:43,400 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 509 transitions. [2024-11-12 07:08:43,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:08:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 509 transitions. [2024-11-12 07:08:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 07:08:43,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:43,402 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:43,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 07:08:43,402 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:43,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:43,402 INFO L85 PathProgramCache]: Analyzing trace with hash -932708075, now seen corresponding path program 1 times [2024-11-12 07:08:43,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:43,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763036608] [2024-11-12 07:08:43,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:43,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:45,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:45,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763036608] [2024-11-12 07:08:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763036608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:45,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 07:08:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583024564] [2024-11-12 07:08:45,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:45,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 07:08:45,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:45,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 07:08:45,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:08:45,114 INFO L87 Difference]: Start difference. First operand 368 states and 509 transitions. Second operand has 15 states, 12 states have (on average 4.333333333333333) internal successors, (52), 15 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:47,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:47,819 INFO L93 Difference]: Finished difference Result 836 states and 1147 transitions. [2024-11-12 07:08:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 07:08:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.333333333333333) internal successors, (52), 15 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 139 [2024-11-12 07:08:47,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:47,828 INFO L225 Difference]: With dead ends: 836 [2024-11-12 07:08:47,828 INFO L226 Difference]: Without dead ends: 471 [2024-11-12 07:08:47,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-11-12 07:08:47,830 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 293 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:47,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1330 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-12 07:08:47,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-12 07:08:47,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 320. [2024-11-12 07:08:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 267 states have (on average 1.2846441947565543) internal successors, (343), 268 states have internal predecessors, (343), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 07:08:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 439 transitions. [2024-11-12 07:08:47,884 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 439 transitions. Word has length 139 [2024-11-12 07:08:47,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:47,884 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 439 transitions. [2024-11-12 07:08:47,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.333333333333333) internal successors, (52), 15 states have internal predecessors, (52), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:47,885 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 439 transitions. [2024-11-12 07:08:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-12 07:08:47,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:47,886 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:47,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 07:08:47,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:47,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:47,888 INFO L85 PathProgramCache]: Analyzing trace with hash 905958465, now seen corresponding path program 1 times [2024-11-12 07:08:47,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:47,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529549497] [2024-11-12 07:08:47,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:47,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:49,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:49,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529549497] [2024-11-12 07:08:49,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529549497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:49,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:49,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 07:08:49,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688553886] [2024-11-12 07:08:49,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:49,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 07:08:49,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:49,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 07:08:49,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:08:49,073 INFO L87 Difference]: Start difference. First operand 320 states and 439 transitions. Second operand has 13 states, 10 states have (on average 5.3) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:49,821 INFO L93 Difference]: Finished difference Result 688 states and 944 transitions. [2024-11-12 07:08:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:08:49,822 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.3) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 140 [2024-11-12 07:08:49,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:49,824 INFO L225 Difference]: With dead ends: 688 [2024-11-12 07:08:49,824 INFO L226 Difference]: Without dead ends: 371 [2024-11-12 07:08:49,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:08:49,826 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 95 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:49,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1266 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:08:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-12 07:08:49,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 308. [2024-11-12 07:08:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 255 states have (on average 1.2823529411764707) internal successors, (327), 256 states have internal predecessors, (327), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 07:08:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 423 transitions. [2024-11-12 07:08:49,848 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 423 transitions. Word has length 140 [2024-11-12 07:08:49,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:49,848 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 423 transitions. [2024-11-12 07:08:49,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.3) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:49,849 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 423 transitions. [2024-11-12 07:08:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-12 07:08:49,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:49,850 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:49,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 07:08:49,851 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:49,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash -422264557, now seen corresponding path program 1 times [2024-11-12 07:08:49,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:49,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133623426] [2024-11-12 07:08:49,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:51,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:51,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133623426] [2024-11-12 07:08:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133623426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:51,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:51,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:08:51,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723523584] [2024-11-12 07:08:51,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:51,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:08:51,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:51,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:08:51,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:08:51,162 INFO L87 Difference]: Start difference. First operand 308 states and 423 transitions. Second operand has 16 states, 12 states have (on average 4.416666666666667) internal successors, (53), 16 states have internal predecessors, (53), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-12 07:08:53,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:53,276 INFO L93 Difference]: Finished difference Result 774 states and 1057 transitions. [2024-11-12 07:08:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 07:08:53,276 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 4.416666666666667) internal successors, (53), 16 states have internal predecessors, (53), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) Word has length 140 [2024-11-12 07:08:53,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:53,280 INFO L225 Difference]: With dead ends: 774 [2024-11-12 07:08:53,280 INFO L226 Difference]: Without dead ends: 606 [2024-11-12 07:08:53,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-11-12 07:08:53,282 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 287 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:53,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1809 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 07:08:53,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-12 07:08:53,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 512. [2024-11-12 07:08:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 427 states have (on average 1.2857142857142858) internal successors, (549), 431 states have internal predecessors, (549), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 07:08:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 701 transitions. [2024-11-12 07:08:53,351 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 701 transitions. Word has length 140 [2024-11-12 07:08:53,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:53,351 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 701 transitions. [2024-11-12 07:08:53,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 4.416666666666667) internal successors, (53), 16 states have internal predecessors, (53), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-12 07:08:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 701 transitions. [2024-11-12 07:08:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:08:53,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:53,352 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:53,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 07:08:53,353 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:53,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:53,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1228664258, now seen corresponding path program 1 times [2024-11-12 07:08:53,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:53,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965521998] [2024-11-12 07:08:53,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:53,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:53,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965521998] [2024-11-12 07:08:53,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965521998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:53,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:53,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:08:53,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127234382] [2024-11-12 07:08:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:53,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:08:53,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:53,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:08:53,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:08:53,920 INFO L87 Difference]: Start difference. First operand 512 states and 701 transitions. Second operand has 7 states, 5 states have (on average 10.8) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:08:54,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:54,391 INFO L93 Difference]: Finished difference Result 1302 states and 1776 transitions. [2024-11-12 07:08:54,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:08:54,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 141 [2024-11-12 07:08:54,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:54,396 INFO L225 Difference]: With dead ends: 1302 [2024-11-12 07:08:54,396 INFO L226 Difference]: Without dead ends: 793 [2024-11-12 07:08:54,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:08:54,398 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 67 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:54,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 486 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:08:54,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-12 07:08:54,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 618. [2024-11-12 07:08:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 524 states have (on average 1.284351145038168) internal successors, (673), 529 states have internal predecessors, (673), 84 states have call successors, (84), 9 states have call predecessors, (84), 9 states have return successors, (84), 79 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 07:08:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 841 transitions. [2024-11-12 07:08:54,488 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 841 transitions. Word has length 141 [2024-11-12 07:08:54,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:54,489 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 841 transitions. [2024-11-12 07:08:54,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:08:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 841 transitions. [2024-11-12 07:08:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:08:54,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:54,491 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:54,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 07:08:54,491 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:54,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1911355907, now seen corresponding path program 1 times [2024-11-12 07:08:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:54,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867584984] [2024-11-12 07:08:54,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:55,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:55,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867584984] [2024-11-12 07:08:55,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867584984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:55,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:55,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:08:55,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600316336] [2024-11-12 07:08:55,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:55,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:08:55,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:55,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:08:55,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:08:55,063 INFO L87 Difference]: Start difference. First operand 618 states and 841 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:08:55,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:55,348 INFO L93 Difference]: Finished difference Result 1002 states and 1340 transitions. [2024-11-12 07:08:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:08:55,348 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 141 [2024-11-12 07:08:55,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:55,353 INFO L225 Difference]: With dead ends: 1002 [2024-11-12 07:08:55,353 INFO L226 Difference]: Without dead ends: 1000 [2024-11-12 07:08:55,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:08:55,356 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 66 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:55,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 941 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:08:55,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-11-12 07:08:55,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 995. [2024-11-12 07:08:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 841 states have (on average 1.2520808561236623) internal successors, (1053), 852 states have internal predecessors, (1053), 138 states have call successors, (138), 15 states have call predecessors, (138), 15 states have return successors, (138), 127 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-12 07:08:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1329 transitions. [2024-11-12 07:08:55,480 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1329 transitions. Word has length 141 [2024-11-12 07:08:55,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:55,480 INFO L471 AbstractCegarLoop]: Abstraction has 995 states and 1329 transitions. [2024-11-12 07:08:55,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:08:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1329 transitions. [2024-11-12 07:08:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:08:55,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:55,482 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:55,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 07:08:55,482 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:55,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1250866724, now seen corresponding path program 1 times [2024-11-12 07:08:55,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:55,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595024029] [2024-11-12 07:08:55,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:08:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:08:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:08:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:08:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:08:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:08:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:08:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:08:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:08:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:08:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:08:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:08:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:08:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:08:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:08:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:08:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:08:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:08:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:08:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:08:56,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:08:56,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595024029] [2024-11-12 07:08:56,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595024029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:08:56,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:08:56,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 07:08:56,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520294274] [2024-11-12 07:08:56,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:08:56,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 07:08:56,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:08:56,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 07:08:56,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:08:56,761 INFO L87 Difference]: Start difference. First operand 995 states and 1329 transitions. Second operand has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:58,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:08:58,079 INFO L93 Difference]: Finished difference Result 2324 states and 3088 transitions. [2024-11-12 07:08:58,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 07:08:58,080 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-12 07:08:58,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:08:58,094 INFO L225 Difference]: With dead ends: 2324 [2024-11-12 07:08:58,094 INFO L226 Difference]: Without dead ends: 1332 [2024-11-12 07:08:58,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-12 07:08:58,096 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 104 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 07:08:58,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 2352 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 07:08:58,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2024-11-12 07:08:58,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1308. [2024-11-12 07:08:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1083 states have (on average 1.2308402585410896) internal successors, (1333), 1099 states have internal predecessors, (1333), 198 states have call successors, (198), 26 states have call predecessors, (198), 26 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-12 07:08:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1729 transitions. [2024-11-12 07:08:58,383 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1729 transitions. Word has length 141 [2024-11-12 07:08:58,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:08:58,383 INFO L471 AbstractCegarLoop]: Abstraction has 1308 states and 1729 transitions. [2024-11-12 07:08:58,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:08:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1729 transitions. [2024-11-12 07:08:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:08:58,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:08:58,385 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:08:58,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 07:08:58,385 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:08:58,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:08:58,386 INFO L85 PathProgramCache]: Analyzing trace with hash -110491613, now seen corresponding path program 1 times [2024-11-12 07:08:58,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:08:58,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129865386] [2024-11-12 07:08:58,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:08:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:08:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:00,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129865386] [2024-11-12 07:09:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129865386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:00,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-12 07:09:00,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621981444] [2024-11-12 07:09:00,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:00,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 07:09:00,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 07:09:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-12 07:09:00,254 INFO L87 Difference]: Start difference. First operand 1308 states and 1729 transitions. Second operand has 20 states, 17 states have (on average 3.176470588235294) internal successors, (54), 20 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:09:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:02,350 INFO L93 Difference]: Finished difference Result 2731 states and 3601 transitions. [2024-11-12 07:09:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 07:09:02,351 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.176470588235294) internal successors, (54), 20 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-12 07:09:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:02,357 INFO L225 Difference]: With dead ends: 2731 [2024-11-12 07:09:02,358 INFO L226 Difference]: Without dead ends: 1426 [2024-11-12 07:09:02,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2024-11-12 07:09:02,361 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 249 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 2190 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:02,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 2190 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1844 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 07:09:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-12 07:09:02,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1351. [2024-11-12 07:09:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1112 states have (on average 1.224820143884892) internal successors, (1362), 1129 states have internal predecessors, (1362), 210 states have call successors, (210), 28 states have call predecessors, (210), 28 states have return successors, (210), 193 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-12 07:09:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1782 transitions. [2024-11-12 07:09:02,549 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1782 transitions. Word has length 141 [2024-11-12 07:09:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:02,550 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 1782 transitions. [2024-11-12 07:09:02,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.176470588235294) internal successors, (54), 20 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:09:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1782 transitions. [2024-11-12 07:09:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-12 07:09:02,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:02,552 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:02,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 07:09:02,552 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:02,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:02,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1377986901, now seen corresponding path program 1 times [2024-11-12 07:09:02,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:02,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751427299] [2024-11-12 07:09:02,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:03,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:03,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751427299] [2024-11-12 07:09:03,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751427299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:03,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:03,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 07:09:03,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428032236] [2024-11-12 07:09:03,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:03,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 07:09:03,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:03,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 07:09:03,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:09:03,558 INFO L87 Difference]: Start difference. First operand 1351 states and 1782 transitions. Second operand has 14 states, 11 states have (on average 4.909090909090909) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:09:04,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:04,838 INFO L93 Difference]: Finished difference Result 2793 states and 3679 transitions. [2024-11-12 07:09:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 07:09:04,838 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 4.909090909090909) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2024-11-12 07:09:04,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:04,844 INFO L225 Difference]: With dead ends: 2793 [2024-11-12 07:09:04,844 INFO L226 Difference]: Without dead ends: 1478 [2024-11-12 07:09:04,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2024-11-12 07:09:04,847 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 193 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:04,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1649 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 07:09:04,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-12 07:09:05,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1248. [2024-11-12 07:09:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1022 states have (on average 1.2152641878669277) internal successors, (1242), 1038 states have internal predecessors, (1242), 198 states have call successors, (198), 27 states have call predecessors, (198), 27 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-12 07:09:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1638 transitions. [2024-11-12 07:09:05,059 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1638 transitions. Word has length 141 [2024-11-12 07:09:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:05,059 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1638 transitions. [2024-11-12 07:09:05,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 4.909090909090909) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-12 07:09:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1638 transitions. [2024-11-12 07:09:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 07:09:05,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:05,061 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:05,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 07:09:05,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:05,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:05,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1307651178, now seen corresponding path program 1 times [2024-11-12 07:09:05,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:05,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587082279] [2024-11-12 07:09:05,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:05,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:05,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:05,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587082279] [2024-11-12 07:09:05,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587082279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:05,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:05,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:09:05,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986603315] [2024-11-12 07:09:05,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:05,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:09:05,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:05,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:09:05,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:05,368 INFO L87 Difference]: Start difference. First operand 1248 states and 1638 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:05,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:05,936 INFO L93 Difference]: Finished difference Result 2347 states and 3092 transitions. [2024-11-12 07:09:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:09:05,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 142 [2024-11-12 07:09:05,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:05,944 INFO L225 Difference]: With dead ends: 2347 [2024-11-12 07:09:05,944 INFO L226 Difference]: Without dead ends: 1593 [2024-11-12 07:09:05,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:09:05,946 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 74 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:05,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1008 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:09:05,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2024-11-12 07:09:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1370. [2024-11-12 07:09:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 1143 states have (on average 1.2300962379702538) internal successors, (1406), 1159 states have internal predecessors, (1406), 198 states have call successors, (198), 28 states have call predecessors, (198), 28 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-12 07:09:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1802 transitions. [2024-11-12 07:09:06,185 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1802 transitions. Word has length 142 [2024-11-12 07:09:06,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:06,186 INFO L471 AbstractCegarLoop]: Abstraction has 1370 states and 1802 transitions. [2024-11-12 07:09:06,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1802 transitions. [2024-11-12 07:09:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-12 07:09:06,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:06,189 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:06,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 07:09:06,189 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2031090635, now seen corresponding path program 1 times [2024-11-12 07:09:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:06,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261943884] [2024-11-12 07:09:06,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:06,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:06,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261943884] [2024-11-12 07:09:06,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261943884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:06,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:06,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:09:06,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916494118] [2024-11-12 07:09:06,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:06,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:09:06,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:06,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:09:06,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:09:06,598 INFO L87 Difference]: Start difference. First operand 1370 states and 1802 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:07,221 INFO L93 Difference]: Finished difference Result 2907 states and 3812 transitions. [2024-11-12 07:09:07,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:09:07,221 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 143 [2024-11-12 07:09:07,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:07,228 INFO L225 Difference]: With dead ends: 2907 [2024-11-12 07:09:07,228 INFO L226 Difference]: Without dead ends: 1573 [2024-11-12 07:09:07,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:09:07,230 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 150 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:07,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 698 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:09:07,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-11-12 07:09:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1475. [2024-11-12 07:09:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1240 states have (on average 1.225) internal successors, (1519), 1257 states have internal predecessors, (1519), 206 states have call successors, (206), 28 states have call predecessors, (206), 28 states have return successors, (206), 189 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-12 07:09:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1931 transitions. [2024-11-12 07:09:07,400 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1931 transitions. Word has length 143 [2024-11-12 07:09:07,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:07,400 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1931 transitions. [2024-11-12 07:09:07,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1931 transitions. [2024-11-12 07:09:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-12 07:09:07,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:07,402 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:07,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 07:09:07,403 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:07,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1120267628, now seen corresponding path program 1 times [2024-11-12 07:09:07,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:07,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092755190] [2024-11-12 07:09:07,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:07,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:07,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092755190] [2024-11-12 07:09:07,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092755190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:07,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:07,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:09:07,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752356913] [2024-11-12 07:09:07,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:07,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:09:07,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:07,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:09:07,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:09:07,532 INFO L87 Difference]: Start difference. First operand 1475 states and 1931 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:07,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:07,836 INFO L93 Difference]: Finished difference Result 3035 states and 3968 transitions. [2024-11-12 07:09:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:09:07,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 143 [2024-11-12 07:09:07,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:07,842 INFO L225 Difference]: With dead ends: 3035 [2024-11-12 07:09:07,842 INFO L226 Difference]: Without dead ends: 1563 [2024-11-12 07:09:07,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:09:07,844 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 46 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:07,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 626 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:09:07,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2024-11-12 07:09:08,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1475. [2024-11-12 07:09:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1240 states have (on average 1.2153225806451613) internal successors, (1507), 1257 states have internal predecessors, (1507), 206 states have call successors, (206), 28 states have call predecessors, (206), 28 states have return successors, (206), 189 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-12 07:09:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1919 transitions. [2024-11-12 07:09:08,030 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1919 transitions. Word has length 143 [2024-11-12 07:09:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:08,031 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1919 transitions. [2024-11-12 07:09:08,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1919 transitions. [2024-11-12 07:09:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:09:08,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:08,033 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:08,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 07:09:08,033 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:08,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:08,034 INFO L85 PathProgramCache]: Analyzing trace with hash -170183969, now seen corresponding path program 1 times [2024-11-12 07:09:08,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:08,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221961687] [2024-11-12 07:09:08,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:08,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:08,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:08,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221961687] [2024-11-12 07:09:08,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221961687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:08,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:08,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:09:08,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954217930] [2024-11-12 07:09:08,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:08,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:09:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:08,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:09:08,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:08,552 INFO L87 Difference]: Start difference. First operand 1475 states and 1919 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:09,174 INFO L93 Difference]: Finished difference Result 2984 states and 3874 transitions. [2024-11-12 07:09:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:09:09,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 144 [2024-11-12 07:09:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:09,182 INFO L225 Difference]: With dead ends: 2984 [2024-11-12 07:09:09,182 INFO L226 Difference]: Without dead ends: 1512 [2024-11-12 07:09:09,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:09:09,185 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 146 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:09,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 648 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:09:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-12 07:09:09,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1353. [2024-11-12 07:09:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1134 states have (on average 1.220458553791887) internal successors, (1384), 1149 states have internal predecessors, (1384), 190 states have call successors, (190), 28 states have call predecessors, (190), 28 states have return successors, (190), 175 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-12 07:09:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1764 transitions. [2024-11-12 07:09:09,409 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1764 transitions. Word has length 144 [2024-11-12 07:09:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:09,410 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 1764 transitions. [2024-11-12 07:09:09,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1764 transitions. [2024-11-12 07:09:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:09:09,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:09,412 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:09,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 07:09:09,412 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:09,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:09,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1427935694, now seen corresponding path program 1 times [2024-11-12 07:09:09,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188276337] [2024-11-12 07:09:09,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:09,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:09,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188276337] [2024-11-12 07:09:09,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188276337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:09,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:09,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:09:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437848326] [2024-11-12 07:09:09,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:09,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:09:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:09,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:09:09,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:09,561 INFO L87 Difference]: Start difference. First operand 1353 states and 1764 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:09,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:09,788 INFO L93 Difference]: Finished difference Result 2796 states and 3633 transitions. [2024-11-12 07:09:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:09:09,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-12 07:09:09,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:09,793 INFO L225 Difference]: With dead ends: 2796 [2024-11-12 07:09:09,794 INFO L226 Difference]: Without dead ends: 1446 [2024-11-12 07:09:09,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:09,796 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:09,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 742 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:09:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-12 07:09:09,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1377. [2024-11-12 07:09:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1158 states have (on average 1.2158894645941278) internal successors, (1408), 1173 states have internal predecessors, (1408), 190 states have call successors, (190), 28 states have call predecessors, (190), 28 states have return successors, (190), 175 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-12 07:09:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1788 transitions. [2024-11-12 07:09:09,951 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1788 transitions. Word has length 144 [2024-11-12 07:09:09,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:09,952 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1788 transitions. [2024-11-12 07:09:09,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1788 transitions. [2024-11-12 07:09:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:09:09,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:09,953 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:09,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 07:09:09,954 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:09,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1820962704, now seen corresponding path program 1 times [2024-11-12 07:09:09,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:09,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304078687] [2024-11-12 07:09:09,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:10,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:10,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304078687] [2024-11-12 07:09:10,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304078687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:10,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:10,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:09:10,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355136864] [2024-11-12 07:09:10,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:10,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:09:10,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:10,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:09:10,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:09:10,076 INFO L87 Difference]: Start difference. First operand 1377 states and 1788 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:10,290 INFO L93 Difference]: Finished difference Result 2322 states and 3024 transitions. [2024-11-12 07:09:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:09:10,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-12 07:09:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:10,295 INFO L225 Difference]: With dead ends: 2322 [2024-11-12 07:09:10,296 INFO L226 Difference]: Without dead ends: 1446 [2024-11-12 07:09:10,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:09:10,297 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 40 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:10,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 613 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:09:10,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-12 07:09:10,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1346. [2024-11-12 07:09:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1127 states have (on average 1.2094055013309672) internal successors, (1363), 1142 states have internal predecessors, (1363), 190 states have call successors, (190), 28 states have call predecessors, (190), 28 states have return successors, (190), 175 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-12 07:09:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1743 transitions. [2024-11-12 07:09:10,458 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1743 transitions. Word has length 144 [2024-11-12 07:09:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:10,458 INFO L471 AbstractCegarLoop]: Abstraction has 1346 states and 1743 transitions. [2024-11-12 07:09:10,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1743 transitions. [2024-11-12 07:09:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 07:09:10,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:10,459 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:10,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 07:09:10,459 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:10,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:10,460 INFO L85 PathProgramCache]: Analyzing trace with hash -111199497, now seen corresponding path program 1 times [2024-11-12 07:09:10,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:10,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706767477] [2024-11-12 07:09:10,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:10,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:10,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706767477] [2024-11-12 07:09:10,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706767477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:10,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:10,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:09:10,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185706440] [2024-11-12 07:09:10,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:10,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:09:10,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:10,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:09:10,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:09:10,894 INFO L87 Difference]: Start difference. First operand 1346 states and 1743 transitions. Second operand has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:11,747 INFO L93 Difference]: Finished difference Result 2750 states and 3554 transitions. [2024-11-12 07:09:11,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:09:11,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-11-12 07:09:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:11,755 INFO L225 Difference]: With dead ends: 2750 [2024-11-12 07:09:11,756 INFO L226 Difference]: Without dead ends: 1905 [2024-11-12 07:09:11,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:09:11,759 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 78 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:11,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 811 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:09:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2024-11-12 07:09:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1655. [2024-11-12 07:09:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1390 states have (on average 1.2014388489208634) internal successors, (1670), 1409 states have internal predecessors, (1670), 232 states have call successors, (232), 32 states have call predecessors, (232), 32 states have return successors, (232), 213 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-12 07:09:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2134 transitions. [2024-11-12 07:09:12,000 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2134 transitions. Word has length 144 [2024-11-12 07:09:12,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:12,000 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2134 transitions. [2024-11-12 07:09:12,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.142857142857142) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2134 transitions. [2024-11-12 07:09:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 07:09:12,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:12,002 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:12,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 07:09:12,002 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:12,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:12,002 INFO L85 PathProgramCache]: Analyzing trace with hash 771515590, now seen corresponding path program 1 times [2024-11-12 07:09:12,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:12,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156186108] [2024-11-12 07:09:12,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:12,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:12,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156186108] [2024-11-12 07:09:12,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156186108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:12,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:12,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:09:12,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294404808] [2024-11-12 07:09:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:12,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:09:12,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:12,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:09:12,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:12,235 INFO L87 Difference]: Start difference. First operand 1655 states and 2134 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:12,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:12,906 INFO L93 Difference]: Finished difference Result 3300 states and 4246 transitions. [2024-11-12 07:09:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:09:12,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-12 07:09:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:12,915 INFO L225 Difference]: With dead ends: 3300 [2024-11-12 07:09:12,915 INFO L226 Difference]: Without dead ends: 1648 [2024-11-12 07:09:12,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:09:12,920 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 138 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:12,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 657 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:09:12,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2024-11-12 07:09:13,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1619. [2024-11-12 07:09:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1359 states have (on average 1.1964679911699778) internal successors, (1626), 1378 states have internal predecessors, (1626), 228 states have call successors, (228), 31 states have call predecessors, (228), 31 states have return successors, (228), 209 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-12 07:09:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2082 transitions. [2024-11-12 07:09:13,101 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2082 transitions. Word has length 145 [2024-11-12 07:09:13,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:13,101 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2082 transitions. [2024-11-12 07:09:13,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2082 transitions. [2024-11-12 07:09:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 07:09:13,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:13,103 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:13,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 07:09:13,103 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:13,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:13,103 INFO L85 PathProgramCache]: Analyzing trace with hash 758231866, now seen corresponding path program 1 times [2024-11-12 07:09:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294084037] [2024-11-12 07:09:13,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:13,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:13,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294084037] [2024-11-12 07:09:13,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294084037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:13,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:13,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:09:13,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751276286] [2024-11-12 07:09:13,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:13,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:09:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:13,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:09:13,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:09:13,358 INFO L87 Difference]: Start difference. First operand 1619 states and 2082 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:13,731 INFO L93 Difference]: Finished difference Result 3349 states and 4317 transitions. [2024-11-12 07:09:13,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:09:13,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-12 07:09:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:13,741 INFO L225 Difference]: With dead ends: 3349 [2024-11-12 07:09:13,741 INFO L226 Difference]: Without dead ends: 2203 [2024-11-12 07:09:13,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:09:13,743 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 75 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:13,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1221 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:09:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2024-11-12 07:09:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 1866. [2024-11-12 07:09:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1584 states have (on average 1.2051767676767677) internal successors, (1909), 1605 states have internal predecessors, (1909), 248 states have call successors, (248), 33 states have call predecessors, (248), 33 states have return successors, (248), 227 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-12 07:09:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2405 transitions. [2024-11-12 07:09:13,939 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2405 transitions. Word has length 145 [2024-11-12 07:09:13,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:13,939 INFO L471 AbstractCegarLoop]: Abstraction has 1866 states and 2405 transitions. [2024-11-12 07:09:13,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2405 transitions. [2024-11-12 07:09:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 07:09:13,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:13,941 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:13,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 07:09:13,941 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:13,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1047206468, now seen corresponding path program 1 times [2024-11-12 07:09:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:13,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069263573] [2024-11-12 07:09:13,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:13,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:14,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:14,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069263573] [2024-11-12 07:09:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069263573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:14,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:14,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:09:14,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668937331] [2024-11-12 07:09:14,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:14,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:09:14,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:14,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:09:14,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:09:14,111 INFO L87 Difference]: Start difference. First operand 1866 states and 2405 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:14,404 INFO L93 Difference]: Finished difference Result 3860 states and 4950 transitions. [2024-11-12 07:09:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:09:14,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 145 [2024-11-12 07:09:14,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:14,412 INFO L225 Difference]: With dead ends: 3860 [2024-11-12 07:09:14,412 INFO L226 Difference]: Without dead ends: 1997 [2024-11-12 07:09:14,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:14,415 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 51 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:14,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 722 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:09:14,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2024-11-12 07:09:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1989. [2024-11-12 07:09:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1989 states, 1683 states have (on average 1.1931075460487226) internal successors, (2008), 1710 states have internal predecessors, (2008), 260 states have call successors, (260), 45 states have call predecessors, (260), 45 states have return successors, (260), 233 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-12 07:09:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2528 transitions. [2024-11-12 07:09:14,644 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2528 transitions. Word has length 145 [2024-11-12 07:09:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:14,644 INFO L471 AbstractCegarLoop]: Abstraction has 1989 states and 2528 transitions. [2024-11-12 07:09:14,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2528 transitions. [2024-11-12 07:09:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 07:09:14,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:14,646 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:14,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 07:09:14,646 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:14,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:14,647 INFO L85 PathProgramCache]: Analyzing trace with hash 2138298675, now seen corresponding path program 1 times [2024-11-12 07:09:14,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:14,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154048479] [2024-11-12 07:09:14,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:14,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:14,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154048479] [2024-11-12 07:09:14,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154048479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:14,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:14,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:09:14,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737113539] [2024-11-12 07:09:14,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:14,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:09:14,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:14,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:09:14,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:09:14,910 INFO L87 Difference]: Start difference. First operand 1989 states and 2528 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:15,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:15,434 INFO L93 Difference]: Finished difference Result 3641 states and 4647 transitions. [2024-11-12 07:09:15,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:09:15,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-12 07:09:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:15,453 INFO L225 Difference]: With dead ends: 3641 [2024-11-12 07:09:15,454 INFO L226 Difference]: Without dead ends: 2149 [2024-11-12 07:09:15,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:09:15,460 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 82 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:15,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 472 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:09:15,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2024-11-12 07:09:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1632. [2024-11-12 07:09:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1366 states have (on average 1.1932650073206441) internal successors, (1630), 1389 states have internal predecessors, (1630), 224 states have call successors, (224), 41 states have call predecessors, (224), 41 states have return successors, (224), 201 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 07:09:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2078 transitions. [2024-11-12 07:09:15,791 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2078 transitions. Word has length 145 [2024-11-12 07:09:15,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:15,791 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2078 transitions. [2024-11-12 07:09:15,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2078 transitions. [2024-11-12 07:09:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-12 07:09:15,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:15,793 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:15,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 07:09:15,793 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:15,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:15,795 INFO L85 PathProgramCache]: Analyzing trace with hash -679966478, now seen corresponding path program 1 times [2024-11-12 07:09:15,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:15,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915175146] [2024-11-12 07:09:15,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:16,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:16,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915175146] [2024-11-12 07:09:16,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915175146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:16,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:16,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:09:16,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925668502] [2024-11-12 07:09:16,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:16,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:09:16,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:09:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:09:16,058 INFO L87 Difference]: Start difference. First operand 1632 states and 2078 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:16,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:16,663 INFO L93 Difference]: Finished difference Result 2728 states and 3475 transitions. [2024-11-12 07:09:16,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:09:16,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2024-11-12 07:09:16,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:16,671 INFO L225 Difference]: With dead ends: 2728 [2024-11-12 07:09:16,671 INFO L226 Difference]: Without dead ends: 1585 [2024-11-12 07:09:16,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:09:16,674 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 67 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:16,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 632 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:09:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2024-11-12 07:09:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1565. [2024-11-12 07:09:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1298 states have (on average 1.174884437596302) internal successors, (1525), 1321 states have internal predecessors, (1525), 224 states have call successors, (224), 42 states have call predecessors, (224), 42 states have return successors, (224), 201 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 07:09:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1973 transitions. [2024-11-12 07:09:16,991 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1973 transitions. Word has length 146 [2024-11-12 07:09:16,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:16,991 INFO L471 AbstractCegarLoop]: Abstraction has 1565 states and 1973 transitions. [2024-11-12 07:09:16,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1973 transitions. [2024-11-12 07:09:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:09:16,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:16,993 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:16,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-12 07:09:16,993 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:16,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:16,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1026702444, now seen corresponding path program 1 times [2024-11-12 07:09:16,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:16,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85775861] [2024-11-12 07:09:16,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:16,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:17,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:17,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85775861] [2024-11-12 07:09:17,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85775861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:17,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:17,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:09:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72560841] [2024-11-12 07:09:17,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:17,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:09:17,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:17,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:09:17,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:09:17,748 INFO L87 Difference]: Start difference. First operand 1565 states and 1973 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:18,515 INFO L93 Difference]: Finished difference Result 2315 states and 2868 transitions. [2024-11-12 07:09:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 07:09:18,516 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-12 07:09:18,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:18,524 INFO L225 Difference]: With dead ends: 2315 [2024-11-12 07:09:18,524 INFO L226 Difference]: Without dead ends: 2313 [2024-11-12 07:09:18,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:09:18,525 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 49 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:18,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1305 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:09:18,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2024-11-12 07:09:18,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2300. [2024-11-12 07:09:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2300 states, 1969 states have (on average 1.160487557135602) internal successors, (2285), 2005 states have internal predecessors, (2285), 272 states have call successors, (272), 58 states have call predecessors, (272), 58 states have return successors, (272), 236 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-12 07:09:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 2829 transitions. [2024-11-12 07:09:18,927 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 2829 transitions. Word has length 147 [2024-11-12 07:09:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:18,927 INFO L471 AbstractCegarLoop]: Abstraction has 2300 states and 2829 transitions. [2024-11-12 07:09:18,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2829 transitions. [2024-11-12 07:09:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:09:18,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:18,929 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:18,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-12 07:09:18,929 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:18,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:18,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2084066237, now seen corresponding path program 1 times [2024-11-12 07:09:18,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:18,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628057306] [2024-11-12 07:09:18,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:18,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:20,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:20,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628057306] [2024-11-12 07:09:20,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628057306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:20,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:20,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 07:09:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774597447] [2024-11-12 07:09:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:20,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 07:09:20,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 07:09:20,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:09:20,675 INFO L87 Difference]: Start difference. First operand 2300 states and 2829 transitions. Second operand has 17 states, 15 states have (on average 4.0) internal successors, (60), 17 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:23,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:23,984 INFO L93 Difference]: Finished difference Result 4751 states and 5830 transitions. [2024-11-12 07:09:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 07:09:23,985 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.0) internal successors, (60), 17 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-12 07:09:23,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:23,991 INFO L225 Difference]: With dead ends: 4751 [2024-11-12 07:09:23,992 INFO L226 Difference]: Without dead ends: 2454 [2024-11-12 07:09:23,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-11-12 07:09:23,997 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 388 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:23,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1047 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-12 07:09:23,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2024-11-12 07:09:24,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2295. [2024-11-12 07:09:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 1960 states have (on average 1.1586734693877552) internal successors, (2271), 1996 states have internal predecessors, (2271), 274 states have call successors, (274), 60 states have call predecessors, (274), 60 states have return successors, (274), 238 states have call predecessors, (274), 274 states have call successors, (274) [2024-11-12 07:09:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2819 transitions. [2024-11-12 07:09:24,461 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2819 transitions. Word has length 147 [2024-11-12 07:09:24,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:24,462 INFO L471 AbstractCegarLoop]: Abstraction has 2295 states and 2819 transitions. [2024-11-12 07:09:24,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.0) internal successors, (60), 17 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2819 transitions. [2024-11-12 07:09:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-12 07:09:24,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:24,464 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:24,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 07:09:24,464 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:24,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1462826518, now seen corresponding path program 1 times [2024-11-12 07:09:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:24,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519222273] [2024-11-12 07:09:24,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:24,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:24,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519222273] [2024-11-12 07:09:24,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519222273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:24,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:24,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:09:24,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694017505] [2024-11-12 07:09:24,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:24,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:09:24,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:24,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:09:24,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:09:24,656 INFO L87 Difference]: Start difference. First operand 2295 states and 2819 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:25,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:25,059 INFO L93 Difference]: Finished difference Result 5037 states and 6162 transitions. [2024-11-12 07:09:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:09:25,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-12 07:09:25,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:25,065 INFO L225 Difference]: With dead ends: 5037 [2024-11-12 07:09:25,065 INFO L226 Difference]: Without dead ends: 2770 [2024-11-12 07:09:25,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:09:25,069 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 31 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:25,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 593 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:09:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2024-11-12 07:09:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2576. [2024-11-12 07:09:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2576 states, 2241 states have (on average 1.1597501115573405) internal successors, (2599), 2277 states have internal predecessors, (2599), 274 states have call successors, (274), 60 states have call predecessors, (274), 60 states have return successors, (274), 238 states have call predecessors, (274), 274 states have call successors, (274) [2024-11-12 07:09:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3147 transitions. [2024-11-12 07:09:25,412 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3147 transitions. Word has length 147 [2024-11-12 07:09:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:25,413 INFO L471 AbstractCegarLoop]: Abstraction has 2576 states and 3147 transitions. [2024-11-12 07:09:25,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3147 transitions. [2024-11-12 07:09:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:09:25,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:25,415 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:25,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 07:09:25,416 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:25,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:25,416 INFO L85 PathProgramCache]: Analyzing trace with hash -364949336, now seen corresponding path program 1 times [2024-11-12 07:09:25,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:25,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488370536] [2024-11-12 07:09:25,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:26,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:26,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488370536] [2024-11-12 07:09:26,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488370536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:26,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:26,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:09:26,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526612114] [2024-11-12 07:09:26,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:26,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:09:26,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:26,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:09:26,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:09:26,739 INFO L87 Difference]: Start difference. First operand 2576 states and 3147 transitions. Second operand has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:28,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:28,718 INFO L93 Difference]: Finished difference Result 6898 states and 8486 transitions. [2024-11-12 07:09:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-12 07:09:28,718 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-12 07:09:28,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:28,734 INFO L225 Difference]: With dead ends: 6898 [2024-11-12 07:09:28,734 INFO L226 Difference]: Without dead ends: 4350 [2024-11-12 07:09:28,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2024-11-12 07:09:28,743 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 296 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:28,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1524 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:09:28,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2024-11-12 07:09:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 4104. [2024-11-12 07:09:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4104 states, 3544 states have (on average 1.1701467268623025) internal successors, (4147), 3601 states have internal predecessors, (4147), 464 states have call successors, (464), 95 states have call predecessors, (464), 95 states have return successors, (464), 407 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-12 07:09:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 4104 states and 5075 transitions. [2024-11-12 07:09:29,146 INFO L78 Accepts]: Start accepts. Automaton has 4104 states and 5075 transitions. Word has length 148 [2024-11-12 07:09:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:29,146 INFO L471 AbstractCegarLoop]: Abstraction has 4104 states and 5075 transitions. [2024-11-12 07:09:29,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 5075 transitions. [2024-11-12 07:09:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:09:29,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:29,148 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:29,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 07:09:29,148 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:29,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:29,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1549147951, now seen corresponding path program 1 times [2024-11-12 07:09:29,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:29,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542841894] [2024-11-12 07:09:29,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:29,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-12 07:09:29,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:29,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542841894] [2024-11-12 07:09:29,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542841894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 07:09:29,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735779507] [2024-11-12 07:09:29,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:29,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:09:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:09:29,405 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) [2024-11-12 07:09:29,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 07:09:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:29,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-12 07:09:29,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:09:29,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-12 07:09:29,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-12 07:09:29,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-12 07:09:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 272 proven. 36 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-12 07:09:29,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 07:09:30,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-12 07:09:30,291 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 60 proven. 39 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-12 07:09:30,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735779507] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 07:09:30,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 07:09:30,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 12] total 23 [2024-11-12 07:09:30,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244561230] [2024-11-12 07:09:30,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 07:09:30,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-12 07:09:30,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:30,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-12 07:09:30,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-12 07:09:30,294 INFO L87 Difference]: Start difference. First operand 4104 states and 5075 transitions. Second operand has 23 states, 18 states have (on average 6.555555555555555) internal successors, (118), 23 states have internal predecessors, (118), 9 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 9 states have call successors, (46) [2024-11-12 07:09:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:31,265 INFO L93 Difference]: Finished difference Result 8664 states and 10534 transitions. [2024-11-12 07:09:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 07:09:31,266 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 18 states have (on average 6.555555555555555) internal successors, (118), 23 states have internal predecessors, (118), 9 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 9 states have call successors, (46) Word has length 148 [2024-11-12 07:09:31,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:31,282 INFO L225 Difference]: With dead ends: 8664 [2024-11-12 07:09:31,282 INFO L226 Difference]: Without dead ends: 4588 [2024-11-12 07:09:31,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870 [2024-11-12 07:09:31,290 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 139 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:31,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 458 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:09:31,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2024-11-12 07:09:31,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 3787. [2024-11-12 07:09:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 3276 states have (on average 1.1642246642246643) internal successors, (3814), 3313 states have internal predecessors, (3814), 378 states have call successors, (378), 132 states have call predecessors, (378), 132 states have return successors, (378), 341 states have call predecessors, (378), 378 states have call successors, (378) [2024-11-12 07:09:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 4570 transitions. [2024-11-12 07:09:31,997 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 4570 transitions. Word has length 148 [2024-11-12 07:09:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:31,998 INFO L471 AbstractCegarLoop]: Abstraction has 3787 states and 4570 transitions. [2024-11-12 07:09:31,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 18 states have (on average 6.555555555555555) internal successors, (118), 23 states have internal predecessors, (118), 9 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 9 states have call successors, (46) [2024-11-12 07:09:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4570 transitions. [2024-11-12 07:09:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:09:32,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:32,000 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:32,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 07:09:32,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:09:32,205 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:32,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:32,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1683161457, now seen corresponding path program 1 times [2024-11-12 07:09:32,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:32,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142124811] [2024-11-12 07:09:32,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:32,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:33,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:33,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142124811] [2024-11-12 07:09:33,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142124811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:33,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:33,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:09:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530594202] [2024-11-12 07:09:33,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:33,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:09:33,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:33,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:09:33,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:09:33,629 INFO L87 Difference]: Start difference. First operand 3787 states and 4570 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:34,623 INFO L93 Difference]: Finished difference Result 8019 states and 9657 transitions. [2024-11-12 07:09:34,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 07:09:34,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2024-11-12 07:09:34,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:34,638 INFO L225 Difference]: With dead ends: 8019 [2024-11-12 07:09:34,639 INFO L226 Difference]: Without dead ends: 4252 [2024-11-12 07:09:34,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:09:34,646 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 46 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:34,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 679 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:09:34,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2024-11-12 07:09:35,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 3803. [2024-11-12 07:09:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3803 states, 3292 states have (on average 1.1622114216281896) internal successors, (3826), 3329 states have internal predecessors, (3826), 378 states have call successors, (378), 132 states have call predecessors, (378), 132 states have return successors, (378), 341 states have call predecessors, (378), 378 states have call successors, (378) [2024-11-12 07:09:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 4582 transitions. [2024-11-12 07:09:35,312 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 4582 transitions. Word has length 148 [2024-11-12 07:09:35,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:35,313 INFO L471 AbstractCegarLoop]: Abstraction has 3803 states and 4582 transitions. [2024-11-12 07:09:35,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 4582 transitions. [2024-11-12 07:09:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:09:35,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:35,315 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:35,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-12 07:09:35,316 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:35,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1802459213, now seen corresponding path program 1 times [2024-11-12 07:09:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:35,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165422009] [2024-11-12 07:09:35,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:35,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:35,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165422009] [2024-11-12 07:09:35,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165422009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:35,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:35,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:09:35,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139161790] [2024-11-12 07:09:35,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:35,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:09:35,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:35,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:09:35,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:09:35,716 INFO L87 Difference]: Start difference. First operand 3803 states and 4582 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:36,881 INFO L93 Difference]: Finished difference Result 5635 states and 6816 transitions. [2024-11-12 07:09:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:09:36,882 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-11-12 07:09:36,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:36,895 INFO L225 Difference]: With dead ends: 5635 [2024-11-12 07:09:36,895 INFO L226 Difference]: Without dead ends: 5633 [2024-11-12 07:09:36,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-12 07:09:36,897 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 117 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:36,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 2200 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:09:36,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2024-11-12 07:09:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5477. [2024-11-12 07:09:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 4673 states have (on average 1.1643483843355447) internal successors, (5441), 4726 states have internal predecessors, (5441), 598 states have call successors, (598), 205 states have call predecessors, (598), 205 states have return successors, (598), 545 states have call predecessors, (598), 598 states have call successors, (598) [2024-11-12 07:09:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6637 transitions. [2024-11-12 07:09:37,602 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6637 transitions. Word has length 148 [2024-11-12 07:09:37,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:37,603 INFO L471 AbstractCegarLoop]: Abstraction has 5477 states and 6637 transitions. [2024-11-12 07:09:37,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 07:09:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6637 transitions. [2024-11-12 07:09:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:09:37,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:37,605 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:37,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-12 07:09:37,605 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:37,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:37,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1220797207, now seen corresponding path program 1 times [2024-11-12 07:09:37,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:37,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504740605] [2024-11-12 07:09:37,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:38,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:38,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504740605] [2024-11-12 07:09:38,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504740605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:38,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:38,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:09:38,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377880265] [2024-11-12 07:09:38,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:38,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:09:38,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:38,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:09:38,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:09:38,238 INFO L87 Difference]: Start difference. First operand 5477 states and 6637 transitions. Second operand has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:40,149 INFO L93 Difference]: Finished difference Result 11430 states and 13795 transitions. [2024-11-12 07:09:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 07:09:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-12 07:09:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:40,166 INFO L225 Difference]: With dead ends: 11430 [2024-11-12 07:09:40,166 INFO L226 Difference]: Without dead ends: 5973 [2024-11-12 07:09:40,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:09:40,177 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 178 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:40,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 905 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:09:40,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5973 states. [2024-11-12 07:09:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5973 to 5033. [2024-11-12 07:09:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5033 states, 4356 states have (on average 1.161386593204775) internal successors, (5059), 4403 states have internal predecessors, (5059), 498 states have call successors, (498), 178 states have call predecessors, (498), 178 states have return successors, (498), 451 states have call predecessors, (498), 498 states have call successors, (498) [2024-11-12 07:09:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 6055 transitions. [2024-11-12 07:09:41,225 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 6055 transitions. Word has length 148 [2024-11-12 07:09:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:41,226 INFO L471 AbstractCegarLoop]: Abstraction has 5033 states and 6055 transitions. [2024-11-12 07:09:41,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-12 07:09:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 6055 transitions. [2024-11-12 07:09:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-12 07:09:41,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:41,228 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:41,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-12 07:09:41,229 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:41,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:41,229 INFO L85 PathProgramCache]: Analyzing trace with hash 129485498, now seen corresponding path program 1 times [2024-11-12 07:09:41,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154949288] [2024-11-12 07:09:41,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:41,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:41,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:41,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154949288] [2024-11-12 07:09:41,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154949288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:41,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:41,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:09:41,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956111086] [2024-11-12 07:09:41,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:41,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:09:41,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:41,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:09:41,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:09:41,808 INFO L87 Difference]: Start difference. First operand 5033 states and 6055 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:43,915 INFO L93 Difference]: Finished difference Result 10428 states and 12517 transitions. [2024-11-12 07:09:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:09:43,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2024-11-12 07:09:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:43,930 INFO L225 Difference]: With dead ends: 10428 [2024-11-12 07:09:43,930 INFO L226 Difference]: Without dead ends: 5415 [2024-11-12 07:09:43,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:09:43,941 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 159 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:43,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 962 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 07:09:43,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2024-11-12 07:09:44,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 4082. [2024-11-12 07:09:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4082 states, 3558 states have (on average 1.1593591905564924) internal successors, (4125), 3595 states have internal predecessors, (4125), 384 states have call successors, (384), 139 states have call predecessors, (384), 139 states have return successors, (384), 347 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-12 07:09:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 4893 transitions. [2024-11-12 07:09:44,549 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 4893 transitions. Word has length 149 [2024-11-12 07:09:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 4082 states and 4893 transitions. [2024-11-12 07:09:44,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 4893 transitions. [2024-11-12 07:09:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 07:09:44,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:44,552 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:44,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-12 07:09:44,552 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:44,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:44,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1214860747, now seen corresponding path program 1 times [2024-11-12 07:09:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801337874] [2024-11-12 07:09:44,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:44,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:44,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801337874] [2024-11-12 07:09:44,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801337874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:44,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:44,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:09:44,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59052581] [2024-11-12 07:09:44,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:44,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:09:44,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:44,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:09:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:09:44,915 INFO L87 Difference]: Start difference. First operand 4082 states and 4893 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:47,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:09:47,058 INFO L93 Difference]: Finished difference Result 10651 states and 12771 transitions. [2024-11-12 07:09:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:09:47,058 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2024-11-12 07:09:47,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:09:47,070 INFO L225 Difference]: With dead ends: 10651 [2024-11-12 07:09:47,070 INFO L226 Difference]: Without dead ends: 6589 [2024-11-12 07:09:47,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:09:47,075 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 185 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:09:47,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 797 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:09:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2024-11-12 07:09:47,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 5063. [2024-11-12 07:09:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5063 states, 4367 states have (on average 1.1575452255553011) internal successors, (5055), 4413 states have internal predecessors, (5055), 510 states have call successors, (510), 185 states have call predecessors, (510), 185 states have return successors, (510), 464 states have call predecessors, (510), 510 states have call successors, (510) [2024-11-12 07:09:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 6075 transitions. [2024-11-12 07:09:47,818 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 6075 transitions. Word has length 151 [2024-11-12 07:09:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:09:47,818 INFO L471 AbstractCegarLoop]: Abstraction has 5063 states and 6075 transitions. [2024-11-12 07:09:47,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 07:09:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 6075 transitions. [2024-11-12 07:09:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:09:47,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:09:47,819 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:09:47,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-12 07:09:47,820 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:09:47,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:09:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1594130630, now seen corresponding path program 1 times [2024-11-12 07:09:47,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:09:47,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481660161] [2024-11-12 07:09:47,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:09:47,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:09:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:09:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:09:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:09:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:09:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:09:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:09:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:09:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:09:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:09:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:09:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:09:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:09:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:09:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:09:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:09:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:09:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:09:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:09:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:09:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 07:09:49,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:09:49,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481660161] [2024-11-12 07:09:49,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481660161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:09:49,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:09:49,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:09:49,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255431995] [2024-11-12 07:09:49,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:09:49,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:09:49,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:09:49,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:09:49,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:09:49,298 INFO L87 Difference]: Start difference. First operand 5063 states and 6075 transitions. Second operand has 16 states, 12 states have (on average 5.416666666666667) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 5 states have call successors, (18)