./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.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-p_file-5.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 2be5ecf5348458671ab0cc252df5fcce5a265155e50eac356b5f3e450b866c41 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 07:31:31,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 07:31:31,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 07:31:31,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 07:31:31,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 07:31:31,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 07:31:31,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 07:31:31,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 07:31:31,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 07:31:31,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 07:31:31,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 07:31:31,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 07:31:31,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 07:31:31,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 07:31:31,507 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 07:31:31,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 07:31:31,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 07:31:31,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 07:31:31,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 07:31:31,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 07:31:31,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 07:31:31,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 07:31:31,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 07:31:31,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 07:31:31,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 07:31:31,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 07:31:31,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 07:31:31,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 07:31:31,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 07:31:31,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 07:31:31,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 07:31:31,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 07:31:31,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:31:31,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 07:31:31,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 07:31:31,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 07:31:31,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 07:31:31,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 07:31:31,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 07:31:31,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 07:31:31,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 07:31:31,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 07:31:31,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2be5ecf5348458671ab0cc252df5fcce5a265155e50eac356b5f3e450b866c41 [2024-11-12 07:31:31,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 07:31:31,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 07:31:31,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 07:31:31,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 07:31:31,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 07:31:31,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i [2024-11-12 07:31:33,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 07:31:33,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 07:31:33,522 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-5.i [2024-11-12 07:31:33,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf964dc13/b09d5ad8fa06400a805ba1cbfa405865/FLAG49138d8ef [2024-11-12 07:31:33,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf964dc13/b09d5ad8fa06400a805ba1cbfa405865 [2024-11-12 07:31:33,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 07:31:33,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 07:31:33,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 07:31:33,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 07:31:33,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 07:31:33,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:33,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d54b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33, skipping insertion in model container [2024-11-12 07:31:33,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:33,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 07:31:33,740 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-p_file-5.i[915,928] [2024-11-12 07:31:33,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:31:33,818 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 07:31:33,832 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-p_file-5.i[915,928] [2024-11-12 07:31:33,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:31:33,920 INFO L204 MainTranslator]: Completed translation [2024-11-12 07:31:33,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33 WrapperNode [2024-11-12 07:31:33,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 07:31:33,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 07:31:33,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 07:31:33,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 07:31:33,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:33,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,016 INFO L138 Inliner]: procedures = 26, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 453 [2024-11-12 07:31:34,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 07:31:34,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 07:31:34,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 07:31:34,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 07:31:34,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,077 INFO L175 MemorySlicer]: Split 122 memory accesses to 16 slices as follows [2, 3, 6, 6, 29, 6, 6, 14, 8, 7, 9, 8, 8, 3, 3, 4]. 24 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-12 07:31:34,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 07:31:34,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 07:31:34,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 07:31:34,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 07:31:34,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (1/1) ... [2024-11-12 07:31:34,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:31:34,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:31:34,168 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 07:31:34,171 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 07:31:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 07:31:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 07:31:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 07:31:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 07:31:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 07:31:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 07:31:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 07:31:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 07:31:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 07:31:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-12 07:31:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 07:31:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 07:31:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 07:31:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 07:31:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-12 07:31:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 07:31:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 07:31:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 07:31:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 07:31:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 07:31:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 07:31:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 07:31:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 07:31:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 07:31:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-12 07:31:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-12 07:31:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-12 07:31:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 07:31:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 07:31:34,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 07:31:34,437 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 07:31:34,954 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-12 07:31:34,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 07:31:34,968 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 07:31:34,968 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 07:31:34,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:31:34 BoogieIcfgContainer [2024-11-12 07:31:34,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 07:31:34,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 07:31:34,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 07:31:34,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 07:31:34,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:31:33" (1/3) ... [2024-11-12 07:31:34,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2133c371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:31:34, skipping insertion in model container [2024-11-12 07:31:34,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:31:33" (2/3) ... [2024-11-12 07:31:34,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2133c371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:31:34, skipping insertion in model container [2024-11-12 07:31:34,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:31:34" (3/3) ... [2024-11-12 07:31:34,978 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-5.i [2024-11-12 07:31:34,994 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 07:31:34,995 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 07:31:35,059 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 07:31:35,065 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;@4bb963, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 07:31:35,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 07:31:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:31:35,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:35,099 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:35,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:35,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:35,106 INFO L85 PathProgramCache]: Analyzing trace with hash 779273670, now seen corresponding path program 1 times [2024-11-12 07:31:35,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:35,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730292011] [2024-11-12 07:31:35,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:35,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:35,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:35,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730292011] [2024-11-12 07:31:35,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730292011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:35,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:35,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 07:31:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356726957] [2024-11-12 07:31:35,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:35,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 07:31:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:35,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 07:31:35,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:31:35,683 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-12 07:31:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:35,720 INFO L93 Difference]: Finished difference Result 185 states and 288 transitions. [2024-11-12 07:31:35,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 07:31:35,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 148 [2024-11-12 07:31:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:35,729 INFO L225 Difference]: With dead ends: 185 [2024-11-12 07:31:35,730 INFO L226 Difference]: Without dead ends: 92 [2024-11-12 07:31:35,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:31:35,737 INFO L435 NwaCegarLoop]: 130 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, 130 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 07:31:35,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-12 07:31:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-12 07:31:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2024-11-12 07:31:35,800 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 148 [2024-11-12 07:31:35,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:35,803 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2024-11-12 07:31:35,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-12 07:31:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2024-11-12 07:31:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-12 07:31:35,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:35,811 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:35,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 07:31:35,811 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:35,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:35,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1856104722, now seen corresponding path program 1 times [2024-11-12 07:31:35,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669544507] [2024-11-12 07:31:35,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:36,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:36,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669544507] [2024-11-12 07:31:36,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669544507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:36,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:36,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:31:36,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004245073] [2024-11-12 07:31:36,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:36,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:31:36,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:36,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:31:36,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:36,355 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:36,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:36,411 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2024-11-12 07:31:36,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:31:36,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2024-11-12 07:31:36,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:36,415 INFO L225 Difference]: With dead ends: 183 [2024-11-12 07:31:36,415 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 07:31:36,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:36,417 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:36,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 373 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 07:31:36,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 07:31:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 72 states have internal predecessors, (92), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2024-11-12 07:31:36,433 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 148 [2024-11-12 07:31:36,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:36,434 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2024-11-12 07:31:36,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2024-11-12 07:31:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:31:36,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:36,440 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:36,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 07:31:36,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:36,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:36,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1733069801, now seen corresponding path program 1 times [2024-11-12 07:31:36,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:36,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335053589] [2024-11-12 07:31:36,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:36,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:36,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:36,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335053589] [2024-11-12 07:31:36,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335053589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:36,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:36,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:31:36,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739638453] [2024-11-12 07:31:36,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:36,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:31:36,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:36,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:31:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:36,724 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:36,760 INFO L93 Difference]: Finished difference Result 188 states and 265 transitions. [2024-11-12 07:31:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:31:36,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-12 07:31:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:36,762 INFO L225 Difference]: With dead ends: 188 [2024-11-12 07:31:36,762 INFO L226 Difference]: Without dead ends: 97 [2024-11-12 07:31:36,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:36,764 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:36,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 370 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-12 07:31:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2024-11-12 07:31:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 74 states have (on average 1.2702702702702702) internal successors, (94), 74 states have internal predecessors, (94), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2024-11-12 07:31:36,776 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 150 [2024-11-12 07:31:36,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:36,776 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2024-11-12 07:31:36,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2024-11-12 07:31:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:31:36,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:36,779 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:36,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 07:31:36,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:36,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:36,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1881839125, now seen corresponding path program 1 times [2024-11-12 07:31:36,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:36,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960751520] [2024-11-12 07:31:36,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:36,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:36,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960751520] [2024-11-12 07:31:36,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960751520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:36,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:36,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:31:36,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482181290] [2024-11-12 07:31:36,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:36,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:31:36,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:36,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:31:36,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:36,997 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:37,038 INFO L93 Difference]: Finished difference Result 192 states and 269 transitions. [2024-11-12 07:31:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:31:37,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-12 07:31:37,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:37,043 INFO L225 Difference]: With dead ends: 192 [2024-11-12 07:31:37,044 INFO L226 Difference]: Without dead ends: 99 [2024-11-12 07:31:37,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:37,049 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:37,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 371 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:37,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-12 07:31:37,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2024-11-12 07:31:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.263157894736842) internal successors, (96), 76 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-12 07:31:37,066 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 150 [2024-11-12 07:31:37,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:37,068 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-12 07:31:37,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-12 07:31:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:31:37,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:37,071 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:37,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 07:31:37,072 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:37,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash -106831763, now seen corresponding path program 1 times [2024-11-12 07:31:37,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:37,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419932367] [2024-11-12 07:31:37,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:37,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:37,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419932367] [2024-11-12 07:31:37,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419932367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:37,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:37,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:31:37,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223729179] [2024-11-12 07:31:37,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:37,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:31:37,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:37,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:31:37,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:37,293 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:37,331 INFO L93 Difference]: Finished difference Result 196 states and 273 transitions. [2024-11-12 07:31:37,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:31:37,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-12 07:31:37,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:37,333 INFO L225 Difference]: With dead ends: 196 [2024-11-12 07:31:37,334 INFO L226 Difference]: Without dead ends: 101 [2024-11-12 07:31:37,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:37,339 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:37,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 373 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:37,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-12 07:31:37,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-11-12 07:31:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions. [2024-11-12 07:31:37,353 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 150 [2024-11-12 07:31:37,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:37,356 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions. [2024-11-12 07:31:37,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2024-11-12 07:31:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 07:31:37,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:37,359 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:37,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 07:31:37,360 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:37,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:37,362 INFO L85 PathProgramCache]: Analyzing trace with hash -104984721, now seen corresponding path program 1 times [2024-11-12 07:31:37,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:37,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778335750] [2024-11-12 07:31:37,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:37,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:37,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:37,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778335750] [2024-11-12 07:31:37,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778335750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:37,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:37,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:31:37,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570823975] [2024-11-12 07:31:37,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:37,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:31:37,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:37,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:31:37,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:31:37,790 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:37,807 INFO L93 Difference]: Finished difference Result 197 states and 273 transitions. [2024-11-12 07:31:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:31:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-12 07:31:37,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:37,812 INFO L225 Difference]: With dead ends: 197 [2024-11-12 07:31:37,812 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 07:31:37,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:31:37,815 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:37,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:37,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 07:31:37,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 07:31:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 137 transitions. [2024-11-12 07:31:37,833 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 137 transitions. Word has length 150 [2024-11-12 07:31:37,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:37,834 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 137 transitions. [2024-11-12 07:31:37,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2024-11-12 07:31:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:31:37,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:37,839 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:37,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 07:31:37,839 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:37,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:37,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2110687660, now seen corresponding path program 1 times [2024-11-12 07:31:37,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:37,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373523914] [2024-11-12 07:31:37,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:37,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:38,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:38,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373523914] [2024-11-12 07:31:38,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373523914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:38,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:38,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:31:38,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25559282] [2024-11-12 07:31:38,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:38,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:31:38,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:38,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:31:38,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:31:38,153 INFO L87 Difference]: Start difference. First operand 100 states and 137 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:38,207 INFO L93 Difference]: Finished difference Result 197 states and 271 transitions. [2024-11-12 07:31:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:31:38,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2024-11-12 07:31:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:38,211 INFO L225 Difference]: With dead ends: 197 [2024-11-12 07:31:38,211 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 07:31:38,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:31:38,214 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:38,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 07:31:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 07:31:38,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 78 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 136 transitions. [2024-11-12 07:31:38,223 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 136 transitions. Word has length 152 [2024-11-12 07:31:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:38,223 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 136 transitions. [2024-11-12 07:31:38,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 136 transitions. [2024-11-12 07:31:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:31:38,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:38,225 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:38,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 07:31:38,226 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:38,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:38,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1687985834, now seen corresponding path program 1 times [2024-11-12 07:31:38,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:38,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918272196] [2024-11-12 07:31:38,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:38,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:38,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:38,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918272196] [2024-11-12 07:31:38,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918272196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:38,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:38,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:31:38,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515478285] [2024-11-12 07:31:38,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:38,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:31:38,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:38,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:31:38,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:31:38,575 INFO L87 Difference]: Start difference. First operand 100 states and 136 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:38,621 INFO L93 Difference]: Finished difference Result 197 states and 269 transitions. [2024-11-12 07:31:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:31:38,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2024-11-12 07:31:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:38,624 INFO L225 Difference]: With dead ends: 197 [2024-11-12 07:31:38,624 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 07:31:38,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:31:38,626 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:38,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:38,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 07:31:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 07:31:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 78 states have internal predecessors, (95), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 135 transitions. [2024-11-12 07:31:38,641 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 135 transitions. Word has length 152 [2024-11-12 07:31:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:38,641 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 135 transitions. [2024-11-12 07:31:38,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 135 transitions. [2024-11-12 07:31:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:31:38,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:38,643 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:38,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 07:31:38,643 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:38,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:38,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1585913108, now seen corresponding path program 1 times [2024-11-12 07:31:38,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:38,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587399283] [2024-11-12 07:31:38,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:40,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:40,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587399283] [2024-11-12 07:31:40,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587399283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:40,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:40,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:31:40,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151664784] [2024-11-12 07:31:40,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:40,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:31:40,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:31:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:31:40,152 INFO L87 Difference]: Start difference. First operand 100 states and 135 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:40,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:40,697 INFO L93 Difference]: Finished difference Result 352 states and 481 transitions. [2024-11-12 07:31:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:31:40,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2024-11-12 07:31:40,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:40,703 INFO L225 Difference]: With dead ends: 352 [2024-11-12 07:31:40,704 INFO L226 Difference]: Without dead ends: 255 [2024-11-12 07:31:40,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-12 07:31:40,705 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 185 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:40,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 1043 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:31:40,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-12 07:31:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 191. [2024-11-12 07:31:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 148 states have (on average 1.2094594594594594) internal successors, (179), 148 states have internal predecessors, (179), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 07:31:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 259 transitions. [2024-11-12 07:31:40,725 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 259 transitions. Word has length 152 [2024-11-12 07:31:40,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:40,725 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 259 transitions. [2024-11-12 07:31:40,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 259 transitions. [2024-11-12 07:31:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:31:40,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:40,727 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:40,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 07:31:40,728 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:40,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:40,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2129939654, now seen corresponding path program 1 times [2024-11-12 07:31:40,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:40,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899691433] [2024-11-12 07:31:40,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:40,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:40,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899691433] [2024-11-12 07:31:40,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899691433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:40,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:40,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:31:40,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106264219] [2024-11-12 07:31:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:40,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:40,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:31:40,993 INFO L87 Difference]: Start difference. First operand 191 states and 259 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:41,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:41,024 INFO L93 Difference]: Finished difference Result 385 states and 523 transitions. [2024-11-12 07:31:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:41,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2024-11-12 07:31:41,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:41,027 INFO L225 Difference]: With dead ends: 385 [2024-11-12 07:31:41,027 INFO L226 Difference]: Without dead ends: 197 [2024-11-12 07:31:41,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 07:31:41,029 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:41,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 479 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:41,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-12 07:31:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-12 07:31:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 154 states have (on average 1.2012987012987013) internal successors, (185), 154 states have internal predecessors, (185), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-12 07:31:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 265 transitions. [2024-11-12 07:31:41,042 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 265 transitions. Word has length 152 [2024-11-12 07:31:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:41,043 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 265 transitions. [2024-11-12 07:31:41,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 265 transitions. [2024-11-12 07:31:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:31:41,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:41,045 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:41,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 07:31:41,045 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:41,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:41,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1295740087, now seen corresponding path program 1 times [2024-11-12 07:31:41,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:41,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305001226] [2024-11-12 07:31:41,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:41,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:42,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-12 07:31:43,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:43,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305001226] [2024-11-12 07:31:43,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305001226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 07:31:43,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87767965] [2024-11-12 07:31:43,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:43,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:31:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:31:43,057 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 07:31:43,058 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 07:31:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:43,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-12 07:31:43,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:31:43,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 07:31:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:43,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 07:31:43,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87767965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:43,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 07:31:43,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 19 [2024-11-12 07:31:43,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239553528] [2024-11-12 07:31:43,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:43,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:31:43,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:43,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:31:43,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2024-11-12 07:31:43,493 INFO L87 Difference]: Start difference. First operand 197 states and 265 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:43,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:43,626 INFO L93 Difference]: Finished difference Result 363 states and 492 transitions. [2024-11-12 07:31:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:31:43,627 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 153 [2024-11-12 07:31:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:43,630 INFO L225 Difference]: With dead ends: 363 [2024-11-12 07:31:43,630 INFO L226 Difference]: Without dead ends: 263 [2024-11-12 07:31:43,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-12 07:31:43,632 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 120 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:43,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1273 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:43,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-12 07:31:43,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 101. [2024-11-12 07:31:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.2025316455696202) internal successors, (95), 79 states have internal predecessors, (95), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 07:31:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 135 transitions. [2024-11-12 07:31:43,647 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 135 transitions. Word has length 153 [2024-11-12 07:31:43,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:43,647 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 135 transitions. [2024-11-12 07:31:43,648 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:43,648 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2024-11-12 07:31:43,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 07:31:43,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:43,651 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:43,671 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 07:31:43,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 07:31:43,852 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:43,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:43,852 INFO L85 PathProgramCache]: Analyzing trace with hash 482934228, now seen corresponding path program 1 times [2024-11-12 07:31:43,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:43,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297169129] [2024-11-12 07:31:43,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:43,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:44,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:44,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297169129] [2024-11-12 07:31:44,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297169129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:44,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:44,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:31:44,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775991371] [2024-11-12 07:31:44,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:44,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:44,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:44,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:44,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:31:44,163 INFO L87 Difference]: Start difference. First operand 101 states and 135 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:44,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:44,224 INFO L93 Difference]: Finished difference Result 252 states and 332 transitions. [2024-11-12 07:31:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:44,225 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 154 [2024-11-12 07:31:44,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:44,226 INFO L225 Difference]: With dead ends: 252 [2024-11-12 07:31:44,227 INFO L226 Difference]: Without dead ends: 154 [2024-11-12 07:31:44,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 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 07:31:44,228 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 51 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:44,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 464 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-12 07:31:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2024-11-12 07:31:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.2016129032258065) internal successors, (149), 125 states have internal predecessors, (149), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 07:31:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 197 transitions. [2024-11-12 07:31:44,241 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 197 transitions. Word has length 154 [2024-11-12 07:31:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:44,241 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 197 transitions. [2024-11-12 07:31:44,241 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 197 transitions. [2024-11-12 07:31:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 07:31:44,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:44,243 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:44,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 07:31:44,244 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:44,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1665361070, now seen corresponding path program 1 times [2024-11-12 07:31:44,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:44,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893797731] [2024-11-12 07:31:44,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:44,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:44,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893797731] [2024-11-12 07:31:44,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893797731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:44,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:44,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 07:31:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497173961] [2024-11-12 07:31:44,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:44,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 07:31:44,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 07:31:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:44,650 INFO L87 Difference]: Start difference. First operand 151 states and 197 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:44,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:44,701 INFO L93 Difference]: Finished difference Result 299 states and 391 transitions. [2024-11-12 07:31:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 07:31:44,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 154 [2024-11-12 07:31:44,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:44,704 INFO L225 Difference]: With dead ends: 299 [2024-11-12 07:31:44,704 INFO L226 Difference]: Without dead ends: 151 [2024-11-12 07:31:44,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 07:31:44,706 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:44,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-12 07:31:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-12 07:31:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.185483870967742) internal successors, (147), 125 states have internal predecessors, (147), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 07:31:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 195 transitions. [2024-11-12 07:31:44,718 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 195 transitions. Word has length 154 [2024-11-12 07:31:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:44,718 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 195 transitions. [2024-11-12 07:31:44,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 195 transitions. [2024-11-12 07:31:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 07:31:44,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:44,721 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:44,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 07:31:44,721 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:44,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:44,722 INFO L85 PathProgramCache]: Analyzing trace with hash 119101899, now seen corresponding path program 1 times [2024-11-12 07:31:44,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:44,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708609134] [2024-11-12 07:31:44,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:44,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-12 07:31:45,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:45,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708609134] [2024-11-12 07:31:45,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708609134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 07:31:45,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015366377] [2024-11-12 07:31:45,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:45,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:31:45,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:31:45,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 07:31:45,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 07:31:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:46,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 07:31:46,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:31:46,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-12 07:31:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:46,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 07:31:46,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015366377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:46,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 07:31:46,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2024-11-12 07:31:46,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837313992] [2024-11-12 07:31:46,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:46,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:31:46,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:46,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:31:46,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:31:46,428 INFO L87 Difference]: Start difference. First operand 151 states and 195 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:46,543 INFO L93 Difference]: Finished difference Result 185 states and 236 transitions. [2024-11-12 07:31:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:31:46,544 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2024-11-12 07:31:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:46,545 INFO L225 Difference]: With dead ends: 185 [2024-11-12 07:31:46,545 INFO L226 Difference]: Without dead ends: 183 [2024-11-12 07:31:46,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:31:46,546 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 53 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:46,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 647 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:31:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-12 07:31:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2024-11-12 07:31:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 145 states have (on average 1.1586206896551725) internal successors, (168), 147 states have internal predecessors, (168), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-12 07:31:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 232 transitions. [2024-11-12 07:31:46,563 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 232 transitions. Word has length 156 [2024-11-12 07:31:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:46,565 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 232 transitions. [2024-11-12 07:31:46,565 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 232 transitions. [2024-11-12 07:31:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 07:31:46,567 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:46,567 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:46,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 07:31:46,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 07:31:46,772 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:46,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:46,772 INFO L85 PathProgramCache]: Analyzing trace with hash 120948941, now seen corresponding path program 1 times [2024-11-12 07:31:46,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:46,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110355341] [2024-11-12 07:31:46,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:46,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:47,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:47,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110355341] [2024-11-12 07:31:47,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110355341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:47,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:31:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687516250] [2024-11-12 07:31:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:47,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:47,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:47,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:47,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:31:47,259 INFO L87 Difference]: Start difference. First operand 182 states and 232 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:47,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:47,374 INFO L93 Difference]: Finished difference Result 382 states and 491 transitions. [2024-11-12 07:31:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:47,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2024-11-12 07:31:47,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:47,376 INFO L225 Difference]: With dead ends: 382 [2024-11-12 07:31:47,376 INFO L226 Difference]: Without dead ends: 224 [2024-11-12 07:31:47,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 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 07:31:47,380 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 104 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:47,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 637 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:31:47,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-12 07:31:47,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 210. [2024-11-12 07:31:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.13125) internal successors, (181), 162 states have internal predecessors, (181), 44 states have call successors, (44), 5 states have call predecessors, (44), 5 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 07:31:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 269 transitions. [2024-11-12 07:31:47,407 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 269 transitions. Word has length 156 [2024-11-12 07:31:47,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:47,408 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 269 transitions. [2024-11-12 07:31:47,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 269 transitions. [2024-11-12 07:31:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 07:31:47,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:47,410 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:47,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 07:31:47,410 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:47,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:47,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1895956303, now seen corresponding path program 1 times [2024-11-12 07:31:47,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:47,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605879252] [2024-11-12 07:31:47,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:47,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:47,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605879252] [2024-11-12 07:31:47,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605879252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:47,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:47,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:31:47,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699042188] [2024-11-12 07:31:47,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:47,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:47,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:47,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:47,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:31:47,713 INFO L87 Difference]: Start difference. First operand 210 states and 269 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:47,767 INFO L93 Difference]: Finished difference Result 391 states and 498 transitions. [2024-11-12 07:31:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:47,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2024-11-12 07:31:47,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:47,770 INFO L225 Difference]: With dead ends: 391 [2024-11-12 07:31:47,770 INFO L226 Difference]: Without dead ends: 233 [2024-11-12 07:31:47,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 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 07:31:47,771 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 109 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:47,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 686 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-12 07:31:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 210. [2024-11-12 07:31:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 160 states have (on average 1.11875) internal successors, (179), 162 states have internal predecessors, (179), 44 states have call successors, (44), 5 states have call predecessors, (44), 5 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 07:31:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 267 transitions. [2024-11-12 07:31:47,794 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 267 transitions. Word has length 156 [2024-11-12 07:31:47,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:47,796 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 267 transitions. [2024-11-12 07:31:47,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2024-11-12 07:31:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-12 07:31:47,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:47,797 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:47,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 07:31:47,798 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:47,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1718952623, now seen corresponding path program 1 times [2024-11-12 07:31:47,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:47,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333523221] [2024-11-12 07:31:47,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:47,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:47,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:48,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:48,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333523221] [2024-11-12 07:31:48,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333523221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:48,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:48,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:31:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484621231] [2024-11-12 07:31:48,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:48,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:48,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:48,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:48,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:31:48,020 INFO L87 Difference]: Start difference. First operand 210 states and 267 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:48,066 INFO L93 Difference]: Finished difference Result 374 states and 472 transitions. [2024-11-12 07:31:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:48,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2024-11-12 07:31:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:48,069 INFO L225 Difference]: With dead ends: 374 [2024-11-12 07:31:48,069 INFO L226 Difference]: Without dead ends: 216 [2024-11-12 07:31:48,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 07:31:48,070 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 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 07:31:48,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:31:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-12 07:31:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-12 07:31:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 166 states have (on average 1.1144578313253013) internal successors, (185), 168 states have internal predecessors, (185), 44 states have call successors, (44), 5 states have call predecessors, (44), 5 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-12 07:31:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 273 transitions. [2024-11-12 07:31:48,097 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 273 transitions. Word has length 156 [2024-11-12 07:31:48,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:48,098 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 273 transitions. [2024-11-12 07:31:48,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 273 transitions. [2024-11-12 07:31:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-12 07:31:48,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:48,100 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:48,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 07:31:48,100 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:48,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:48,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1578336880, now seen corresponding path program 1 times [2024-11-12 07:31:48,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:48,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845127688] [2024-11-12 07:31:48,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:48,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:49,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:49,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845127688] [2024-11-12 07:31:49,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845127688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:49,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:49,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:31:49,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513675533] [2024-11-12 07:31:49,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:49,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:31:49,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:49,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:31:49,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:31:49,315 INFO L87 Difference]: Start difference. First operand 216 states and 273 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:31:49,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:49,887 INFO L93 Difference]: Finished difference Result 399 states and 498 transitions. [2024-11-12 07:31:49,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:31:49,887 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 157 [2024-11-12 07:31:49,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:49,889 INFO L225 Difference]: With dead ends: 399 [2024-11-12 07:31:49,889 INFO L226 Difference]: Without dead ends: 235 [2024-11-12 07:31:49,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2024-11-12 07:31:49,890 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 236 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:49,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 990 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:31:49,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-12 07:31:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 229. [2024-11-12 07:31:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 174 states have (on average 1.1091954022988506) internal successors, (193), 176 states have internal predecessors, (193), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 07:31:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 289 transitions. [2024-11-12 07:31:49,919 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 289 transitions. Word has length 157 [2024-11-12 07:31:49,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:49,919 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 289 transitions. [2024-11-12 07:31:49,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:31:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 289 transitions. [2024-11-12 07:31:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-12 07:31:49,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:49,921 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:31:49,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 07:31:49,922 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:49,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1917553494, now seen corresponding path program 1 times [2024-11-12 07:31:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:49,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814527921] [2024-11-12 07:31:49,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:49,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 07:31:50,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129778200] [2024-11-12 07:31:50,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:50,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:31:50,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:31:50,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 07:31:50,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 07:31:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:50,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-12 07:31:50,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:31:52,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-12 07:31:52,308 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 23 treesize of output 3 [2024-11-12 07:31:52,434 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 23 treesize of output 3 [2024-11-12 07:31:52,716 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 43 treesize of output 35 [2024-11-12 07:31:52,726 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 39 treesize of output 31 [2024-11-12 07:31:52,734 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 35 treesize of output 27 [2024-11-12 07:31:52,738 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 31 treesize of output 23 [2024-11-12 07:31:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-12 07:31:52,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 07:31:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:53,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814527921] [2024-11-12 07:31:53,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 07:31:53,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129778200] [2024-11-12 07:31:53,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129778200] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 07:31:53,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 07:31:53,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-12 07:31:53,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220961671] [2024-11-12 07:31:53,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:53,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:53,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:53,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:53,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:31:53,356 INFO L87 Difference]: Start difference. First operand 229 states and 289 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:54,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:54,135 INFO L93 Difference]: Finished difference Result 530 states and 650 transitions. [2024-11-12 07:31:54,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:54,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-12 07:31:54,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:54,139 INFO L225 Difference]: With dead ends: 530 [2024-11-12 07:31:54,139 INFO L226 Difference]: Without dead ends: 353 [2024-11-12 07:31:54,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 303 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:31:54,140 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 56 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:54,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 400 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:31:54,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-12 07:31:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 220. [2024-11-12 07:31:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 187 states have (on average 1.1229946524064172) internal successors, (210), 188 states have internal predecessors, (210), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-12 07:31:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2024-11-12 07:31:54,168 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 158 [2024-11-12 07:31:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:54,168 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2024-11-12 07:31:54,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2024-11-12 07:31:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-12 07:31:54,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:54,171 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:54,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 07:31:54,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:31:54,376 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:54,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:54,376 INFO L85 PathProgramCache]: Analyzing trace with hash 869317995, now seen corresponding path program 1 times [2024-11-12 07:31:54,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:54,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341455800] [2024-11-12 07:31:54,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:54,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:54,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:54,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341455800] [2024-11-12 07:31:54,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341455800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:54,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:54,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:31:54,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446141399] [2024-11-12 07:31:54,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:54,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:31:54,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:54,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:31:54,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:31:54,695 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:54,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:54,801 INFO L93 Difference]: Finished difference Result 504 states and 605 transitions. [2024-11-12 07:31:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:31:54,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-12 07:31:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:54,804 INFO L225 Difference]: With dead ends: 504 [2024-11-12 07:31:54,804 INFO L226 Difference]: Without dead ends: 287 [2024-11-12 07:31:54,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:31:54,806 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 46 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:54,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 706 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:31:54,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-12 07:31:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 250. [2024-11-12 07:31:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 217 states have (on average 1.1244239631336406) internal successors, (244), 218 states have internal predecessors, (244), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-12 07:31:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 300 transitions. [2024-11-12 07:31:54,835 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 300 transitions. Word has length 159 [2024-11-12 07:31:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:54,836 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 300 transitions. [2024-11-12 07:31:54,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 300 transitions. [2024-11-12 07:31:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 07:31:54,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:54,838 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:54,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 07:31:54,838 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:54,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash 826392251, now seen corresponding path program 1 times [2024-11-12 07:31:54,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:54,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251578828] [2024-11-12 07:31:54,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:54,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:56,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251578828] [2024-11-12 07:31:56,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251578828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:56,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:56,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 07:31:56,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002280692] [2024-11-12 07:31:56,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:56,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 07:31:56,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:56,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 07:31:56,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:31:56,841 INFO L87 Difference]: Start difference. First operand 250 states and 300 transitions. Second operand has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:31:58,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:58,450 INFO L93 Difference]: Finished difference Result 702 states and 841 transitions. [2024-11-12 07:31:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 07:31:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-12 07:31:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:58,454 INFO L225 Difference]: With dead ends: 702 [2024-11-12 07:31:58,456 INFO L226 Difference]: Without dead ends: 455 [2024-11-12 07:31:58,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2024-11-12 07:31:58,457 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 204 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:58,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 1386 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:31:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-12 07:31:58,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 445. [2024-11-12 07:31:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 373 states have (on average 1.1018766756032172) internal successors, (411), 375 states have internal predecessors, (411), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 59 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-12 07:31:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 533 transitions. [2024-11-12 07:31:58,505 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 533 transitions. Word has length 160 [2024-11-12 07:31:58,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:58,505 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 533 transitions. [2024-11-12 07:31:58,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:31:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 533 transitions. [2024-11-12 07:31:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 07:31:58,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:58,507 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:58,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 07:31:58,508 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:58,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:58,508 INFO L85 PathProgramCache]: Analyzing trace with hash 239586237, now seen corresponding path program 1 times [2024-11-12 07:31:58,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:58,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58887172] [2024-11-12 07:31:58,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:58,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:58,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:58,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58887172] [2024-11-12 07:31:58,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58887172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:58,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:58,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:31:58,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486603917] [2024-11-12 07:31:58,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:58,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:31:58,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:58,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:31:58,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:31:58,971 INFO L87 Difference]: Start difference. First operand 445 states and 533 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:59,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:31:59,169 INFO L93 Difference]: Finished difference Result 1060 states and 1268 transitions. [2024-11-12 07:31:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:31:59,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-12 07:31:59,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:31:59,173 INFO L225 Difference]: With dead ends: 1060 [2024-11-12 07:31:59,174 INFO L226 Difference]: Without dead ends: 618 [2024-11-12 07:31:59,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 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 07:31:59,176 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 80 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:31:59,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 703 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:31:59,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-12 07:31:59,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 614. [2024-11-12 07:31:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 510 states have (on average 1.0901960784313725) internal successors, (556), 514 states have internal predecessors, (556), 88 states have call successors, (88), 15 states have call predecessors, (88), 15 states have return successors, (88), 84 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-12 07:31:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 732 transitions. [2024-11-12 07:31:59,242 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 732 transitions. Word has length 160 [2024-11-12 07:31:59,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:31:59,242 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 732 transitions. [2024-11-12 07:31:59,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:31:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 732 transitions. [2024-11-12 07:31:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 07:31:59,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:31:59,244 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:59,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 07:31:59,244 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:31:59,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:31:59,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1527992125, now seen corresponding path program 1 times [2024-11-12 07:31:59,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:31:59,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287534299] [2024-11-12 07:31:59,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:31:59,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:31:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:31:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:31:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:31:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:31:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:31:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:31:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:31:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:31:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:31:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:31:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:31:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:31:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:31:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:31:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:31:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:31:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:31:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:31:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:31:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:31:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:31:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:31:59,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:31:59,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287534299] [2024-11-12 07:31:59,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287534299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:31:59,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:31:59,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 07:31:59,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045431648] [2024-11-12 07:31:59,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:31:59,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 07:31:59,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:31:59,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 07:31:59,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:31:59,821 INFO L87 Difference]: Start difference. First operand 614 states and 732 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-12 07:32:00,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:00,273 INFO L93 Difference]: Finished difference Result 1382 states and 1651 transitions. [2024-11-12 07:32:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:32:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-11-12 07:32:00,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:00,279 INFO L225 Difference]: With dead ends: 1382 [2024-11-12 07:32:00,280 INFO L226 Difference]: Without dead ends: 771 [2024-11-12 07:32:00,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:32:00,282 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 219 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:00,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 589 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:32:00,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-12 07:32:00,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 655. [2024-11-12 07:32:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 532 states have (on average 1.0751879699248121) internal successors, (572), 537 states have internal predecessors, (572), 104 states have call successors, (104), 18 states have call predecessors, (104), 18 states have return successors, (104), 99 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-12 07:32:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 780 transitions. [2024-11-12 07:32:00,382 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 780 transitions. Word has length 160 [2024-11-12 07:32:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:00,382 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 780 transitions. [2024-11-12 07:32:00,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-12 07:32:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 780 transitions. [2024-11-12 07:32:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 07:32:00,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:00,384 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:00,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 07:32:00,385 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:00,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash 941186111, now seen corresponding path program 1 times [2024-11-12 07:32:00,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:00,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472123138] [2024-11-12 07:32:00,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:32:02,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472123138] [2024-11-12 07:32:02,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472123138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:32:02,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:32:02,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 07:32:02,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371280814] [2024-11-12 07:32:02,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:02,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 07:32:02,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:02,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 07:32:02,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:32:02,712 INFO L87 Difference]: Start difference. First operand 655 states and 780 transitions. Second operand has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:32:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:04,739 INFO L93 Difference]: Finished difference Result 1345 states and 1606 transitions. [2024-11-12 07:32:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 07:32:04,740 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-12 07:32:04,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:04,744 INFO L225 Difference]: With dead ends: 1345 [2024-11-12 07:32:04,744 INFO L226 Difference]: Without dead ends: 693 [2024-11-12 07:32:04,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2024-11-12 07:32:04,747 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 156 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:04,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1252 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 07:32:04,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-12 07:32:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 684. [2024-11-12 07:32:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 545 states have (on average 1.0697247706422017) internal successors, (583), 551 states have internal predecessors, (583), 117 states have call successors, (117), 21 states have call predecessors, (117), 21 states have return successors, (117), 111 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-12 07:32:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 817 transitions. [2024-11-12 07:32:04,846 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 817 transitions. Word has length 160 [2024-11-12 07:32:04,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:04,847 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 817 transitions. [2024-11-12 07:32:04,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:32:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 817 transitions. [2024-11-12 07:32:04,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 07:32:04,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:04,849 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:04,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 07:32:04,850 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:04,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:04,850 INFO L85 PathProgramCache]: Analyzing trace with hash -34453229, now seen corresponding path program 1 times [2024-11-12 07:32:04,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:04,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238408755] [2024-11-12 07:32:04,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:04,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:32:05,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:05,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238408755] [2024-11-12 07:32:05,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238408755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:32:05,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:32:05,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:32:05,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660029548] [2024-11-12 07:32:05,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:05,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:32:05,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:05,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:32:05,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:32:05,122 INFO L87 Difference]: Start difference. First operand 684 states and 817 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:05,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:05,436 INFO L93 Difference]: Finished difference Result 1584 states and 1872 transitions. [2024-11-12 07:32:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:32:05,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-12 07:32:05,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:05,443 INFO L225 Difference]: With dead ends: 1584 [2024-11-12 07:32:05,443 INFO L226 Difference]: Without dead ends: 1182 [2024-11-12 07:32:05,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:32:05,445 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 219 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:05,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 411 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:32:05,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-12 07:32:05,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 918. [2024-11-12 07:32:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 740 states have (on average 1.0743243243243243) internal successors, (795), 746 states have internal predecessors, (795), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 146 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-12 07:32:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1099 transitions. [2024-11-12 07:32:05,590 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1099 transitions. Word has length 160 [2024-11-12 07:32:05,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:05,591 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1099 transitions. [2024-11-12 07:32:05,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1099 transitions. [2024-11-12 07:32:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 07:32:05,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:05,593 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:05,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-12 07:32:05,594 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:05,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:05,594 INFO L85 PathProgramCache]: Analyzing trace with hash -780761969, now seen corresponding path program 1 times [2024-11-12 07:32:05,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:05,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584483967] [2024-11-12 07:32:05,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:05,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:32:06,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:06,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584483967] [2024-11-12 07:32:06,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584483967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:32:06,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:32:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 07:32:06,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976862524] [2024-11-12 07:32:06,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:06,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 07:32:06,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:06,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 07:32:06,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:32:06,568 INFO L87 Difference]: Start difference. First operand 918 states and 1099 transitions. Second operand has 13 states, 12 states have (on average 5.25) internal successors, (63), 13 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:32:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:07,275 INFO L93 Difference]: Finished difference Result 1505 states and 1798 transitions. [2024-11-12 07:32:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 07:32:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.25) internal successors, (63), 13 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-12 07:32:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:07,281 INFO L225 Difference]: With dead ends: 1505 [2024-11-12 07:32:07,281 INFO L226 Difference]: Without dead ends: 903 [2024-11-12 07:32:07,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2024-11-12 07:32:07,284 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 230 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:07,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1249 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:32:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-12 07:32:07,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 882. [2024-11-12 07:32:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 704 states have (on average 1.0696022727272727) internal successors, (753), 710 states have internal predecessors, (753), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 146 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-12 07:32:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1057 transitions. [2024-11-12 07:32:07,405 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1057 transitions. Word has length 160 [2024-11-12 07:32:07,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:07,405 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1057 transitions. [2024-11-12 07:32:07,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.25) internal successors, (63), 13 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:32:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1057 transitions. [2024-11-12 07:32:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-12 07:32:07,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:07,411 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:07,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-12 07:32:07,412 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:07,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:07,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1312179362, now seen corresponding path program 1 times [2024-11-12 07:32:07,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:07,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83570824] [2024-11-12 07:32:07,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:07,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:32:07,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83570824] [2024-11-12 07:32:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83570824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:32:07,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:32:07,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:32:07,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032178657] [2024-11-12 07:32:07,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:07,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:32:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:07,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:32:07,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:32:07,672 INFO L87 Difference]: Start difference. First operand 882 states and 1057 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:07,868 INFO L93 Difference]: Finished difference Result 1462 states and 1742 transitions. [2024-11-12 07:32:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:32:07,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2024-11-12 07:32:07,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:07,873 INFO L225 Difference]: With dead ends: 1462 [2024-11-12 07:32:07,873 INFO L226 Difference]: Without dead ends: 896 [2024-11-12 07:32:07,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 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 07:32:07,875 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 53 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:07,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 599 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:32:07,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2024-11-12 07:32:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 757. [2024-11-12 07:32:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 606 states have (on average 1.0577557755775577) internal successors, (641), 609 states have internal predecessors, (641), 128 states have call successors, (128), 22 states have call predecessors, (128), 22 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-12 07:32:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 897 transitions. [2024-11-12 07:32:07,974 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 897 transitions. Word has length 161 [2024-11-12 07:32:07,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:07,974 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 897 transitions. [2024-11-12 07:32:07,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 897 transitions. [2024-11-12 07:32:07,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 07:32:07,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:07,976 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:07,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 07:32:07,976 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:07,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:07,977 INFO L85 PathProgramCache]: Analyzing trace with hash 807872812, now seen corresponding path program 1 times [2024-11-12 07:32:07,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:07,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926546314] [2024-11-12 07:32:07,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:07,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:32:10,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:10,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926546314] [2024-11-12 07:32:10,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926546314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:32:10,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:32:10,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:32:10,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959421479] [2024-11-12 07:32:10,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:10,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:32:10,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:10,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:32:10,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:32:10,450 INFO L87 Difference]: Start difference. First operand 757 states and 897 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:11,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:11,205 INFO L93 Difference]: Finished difference Result 1157 states and 1366 transitions. [2024-11-12 07:32:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 07:32:11,206 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 163 [2024-11-12 07:32:11,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:11,211 INFO L225 Difference]: With dead ends: 1157 [2024-11-12 07:32:11,211 INFO L226 Difference]: Without dead ends: 867 [2024-11-12 07:32:11,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:32:11,213 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 64 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:11,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1341 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:32:11,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2024-11-12 07:32:11,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 808. [2024-11-12 07:32:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 641 states have (on average 1.0546021840873634) internal successors, (676), 645 states have internal predecessors, (676), 141 states have call successors, (141), 25 states have call predecessors, (141), 25 states have return successors, (141), 137 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-12 07:32:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 958 transitions. [2024-11-12 07:32:11,364 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 958 transitions. Word has length 163 [2024-11-12 07:32:11,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:11,364 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 958 transitions. [2024-11-12 07:32:11,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 958 transitions. [2024-11-12 07:32:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 07:32:11,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:11,366 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:11,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 07:32:11,366 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:11,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:11,367 INFO L85 PathProgramCache]: Analyzing trace with hash 148680240, now seen corresponding path program 1 times [2024-11-12 07:32:11,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:11,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626163167] [2024-11-12 07:32:11,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:11,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-12 07:32:13,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:13,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626163167] [2024-11-12 07:32:13,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626163167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:32:13,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:32:13,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 07:32:13,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813041838] [2024-11-12 07:32:13,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:13,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 07:32:13,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:13,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 07:32:13,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-12 07:32:13,343 INFO L87 Difference]: Start difference. First operand 808 states and 958 transitions. Second operand has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:32:15,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:15,008 INFO L93 Difference]: Finished difference Result 1343 states and 1582 transitions. [2024-11-12 07:32:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 07:32:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 163 [2024-11-12 07:32:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:15,015 INFO L225 Difference]: With dead ends: 1343 [2024-11-12 07:32:15,015 INFO L226 Difference]: Without dead ends: 1002 [2024-11-12 07:32:15,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=222, Invalid=1260, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 07:32:15,017 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 306 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:15,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 1773 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 07:32:15,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-11-12 07:32:15,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 813. [2024-11-12 07:32:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 646 states have (on average 1.0557275541795665) internal successors, (682), 650 states have internal predecessors, (682), 141 states have call successors, (141), 25 states have call predecessors, (141), 25 states have return successors, (141), 137 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-12 07:32:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 964 transitions. [2024-11-12 07:32:15,149 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 964 transitions. Word has length 163 [2024-11-12 07:32:15,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:15,150 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 964 transitions. [2024-11-12 07:32:15,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 18 states have internal predecessors, (66), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-12 07:32:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 964 transitions. [2024-11-12 07:32:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-12 07:32:15,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:32:15,153 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:32:15,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 07:32:15,153 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:32:15,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:32:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash 2009843019, now seen corresponding path program 1 times [2024-11-12 07:32:15,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:32:15,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237834582] [2024-11-12 07:32:15,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:15,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:32:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:32:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:32:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:32:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:32:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:32:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:32:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:32:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:32:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 07:32:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 07:32:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 07:32:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 07:32:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 07:32:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 07:32:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 07:32:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 07:32:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 07:32:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 07:32:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 07:32:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 07:32:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 07:32:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 07:32:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 07:32:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 07:32:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 07:32:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-12 07:32:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 07:32:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 07:32:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 07:32:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-12 07:32:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-12 07:32:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 07:32:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 07:32:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 07:32:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 07:32:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 07:32:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-12 07:32:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-12 07:32:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-12 07:32:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-12 07:32:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 3143 trivial. 0 not checked. [2024-11-12 07:32:19,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:32:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237834582] [2024-11-12 07:32:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237834582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 07:32:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576210432] [2024-11-12 07:32:19,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:32:19,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:32:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:32:19,183 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 07:32:19,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 07:32:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:32:20,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-12 07:32:20,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 07:32:21,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-12 07:32:23,131 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 25 treesize of output 17 [2024-11-12 07:32:23,165 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-12 07:32:23,165 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 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-12 07:32:24,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-12 07:32:24,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-12 07:32:25,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2024-11-12 07:32:25,567 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 48 treesize of output 36 [2024-11-12 07:32:25,571 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 33 treesize of output 25 [2024-11-12 07:32:25,631 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 49 treesize of output 33 [2024-11-12 07:32:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 26 proven. 2407 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2024-11-12 07:32:25,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 07:32:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3166 trivial. 0 not checked. [2024-11-12 07:32:26,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576210432] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 07:32:26,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-12 07:32:26,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18, 26] total 43 [2024-11-12 07:32:26,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567097603] [2024-11-12 07:32:26,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:32:26,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:32:26,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:32:26,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:32:26,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1682, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 07:32:26,486 INFO L87 Difference]: Start difference. First operand 813 states and 964 transitions. Second operand has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:27,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:32:27,860 INFO L93 Difference]: Finished difference Result 1264 states and 1493 transitions. [2024-11-12 07:32:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 07:32:27,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 316 [2024-11-12 07:32:27,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:32:27,866 INFO L225 Difference]: With dead ends: 1264 [2024-11-12 07:32:27,866 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 07:32:27,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 692 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=152, Invalid=2200, Unknown=0, NotChecked=0, Total=2352 [2024-11-12 07:32:27,871 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 68 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:32:27,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 1277 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:32:27,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 07:32:27,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 07:32:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 07:32:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 07:32:27,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2024-11-12 07:32:27,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:32:27,874 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 07:32:27,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-12 07:32:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 07:32:27,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 07:32:27,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 07:32:27,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 07:32:28,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 07:32:28,083 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 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 07:32:28,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.