./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:00:03,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:00:03,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:00:03,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:00:03,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:00:03,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:00:03,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:00:03,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:00:03,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:00:03,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:00:03,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:00:03,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:00:03,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:00:03,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:00:03,435 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:00:03,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:00:03,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:00:03,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:00:03,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:00:03,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:00:03,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:00:03,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:00:03,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:00:03,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:00:03,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:00:03,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:00:03,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:00:03,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:00:03,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:00:03,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:00:03,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:00:03,438 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:00:03,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:00:03,438 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2024-11-07 13:00:03,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:00:03,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:00:03,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:00:03,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:00:03,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:00:03,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-07 13:00:05,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:00:05,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:00:05,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-07 13:00:05,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb32ccd0a/566833a02f13421da9cac21e65e3b4b6/FLAG89bdddbcc [2024-11-07 13:00:05,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb32ccd0a/566833a02f13421da9cac21e65e3b4b6 [2024-11-07 13:00:05,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:00:05,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:00:05,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:00:05,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:00:05,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:00:05,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:05" (1/1) ... [2024-11-07 13:00:05,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a48dc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:05, skipping insertion in model container [2024-11-07 13:00:05,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:05" (1/1) ... [2024-11-07 13:00:05,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:00:06,604 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-07 13:00:06,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:00:06,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:00:07,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-07 13:00:07,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-07 13:00:07,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:00:07,338 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:00:07,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07 WrapperNode [2024-11-07 13:00:07,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:00:07,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:00:07,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:00:07,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:00:07,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,488 INFO L138 Inliner]: procedures = 125, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1185 [2024-11-07 13:00:07,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:00:07,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:00:07,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:00:07,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:00:07,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,669 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 121, 8, 3, 8, 2, 18, 19, 7, 44]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 34, 8, 0, 8, 0, 15, 0, 0, 0]. The 97 writes are split as follows [0, 25, 0, 1, 0, 1, 1, 19, 6, 44]. [2024-11-07 13:00:07,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:00:07,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:00:07,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:00:07,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:00:07,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (1/1) ... [2024-11-07 13:00:07,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:00:07,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:00:07,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 13:00:07,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 13:00:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:00:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:00:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:00:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:00:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 13:00:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:00:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:00:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:00:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-07 13:00:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-07 13:00:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-07 13:00:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-07 13:00:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:00:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-07 13:00:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:00:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:00:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-07 13:00:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-07 13:00:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 13:00:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 13:00:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-07 13:00:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-07 13:00:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 13:00:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-07 13:00:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 13:00:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-07 13:00:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:00:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-07 13:00:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-07 13:00:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-07 13:00:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-07 13:00:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:00:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:00:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:00:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:00:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:00:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 13:00:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:00:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:00:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-07 13:00:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-07 13:00:08,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:00:08,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:00:08,420 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:00:14,040 INFO L? ?]: Removed 576 outVars from TransFormulas that were not future-live. [2024-11-07 13:00:14,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:00:14,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:00:14,064 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 13:00:14,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:14 BoogieIcfgContainer [2024-11-07 13:00:14,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:00:14,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:00:14,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:00:14,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:00:14,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:05" (1/3) ... [2024-11-07 13:00:14,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f6fa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:14, skipping insertion in model container [2024-11-07 13:00:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:07" (2/3) ... [2024-11-07 13:00:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f6fa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:14, skipping insertion in model container [2024-11-07 13:00:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:14" (3/3) ... [2024-11-07 13:00:14,078 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-07 13:00:14,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:00:14,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:00:14,158 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:00:14,172 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;@2c0fde9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:00:14,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:00:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 263 states have (on average 1.3840304182509506) internal successors, (364), 273 states have internal predecessors, (364), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 13:00:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 13:00:14,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:14,189 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:00:14,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:14,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:14,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1210278715, now seen corresponding path program 1 times [2024-11-07 13:00:14,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:14,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830288746] [2024-11-07 13:00:14,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:00:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:00:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 13:00:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 13:00:15,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:15,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830288746] [2024-11-07 13:00:15,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830288746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:15,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:15,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:00:15,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670762345] [2024-11-07 13:00:15,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:15,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:00:15,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:15,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:00:15,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:00:15,459 INFO L87 Difference]: Start difference. First operand has 338 states, 263 states have (on average 1.3840304182509506) internal successors, (364), 273 states have internal predecessors, (364), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 13:00:19,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:23,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:26,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:00:26,468 INFO L93 Difference]: Finished difference Result 1022 states and 1462 transitions. [2024-11-07 13:00:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 13:00:26,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-07 13:00:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:00:26,485 INFO L225 Difference]: With dead ends: 1022 [2024-11-07 13:00:26,486 INFO L226 Difference]: Without dead ends: 673 [2024-11-07 13:00:26,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-07 13:00:26,498 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1412 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 527 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 527 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-07 13:00:26,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 682 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [527 Valid, 899 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-07 13:00:26,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-07 13:00:26,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 613. [2024-11-07 13:00:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 486 states have (on average 1.3497942386831276) internal successors, (656), 494 states have internal predecessors, (656), 86 states have call successors, (86), 41 states have call predecessors, (86), 40 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-07 13:00:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 827 transitions. [2024-11-07 13:00:26,630 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 827 transitions. Word has length 42 [2024-11-07 13:00:26,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:00:26,632 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 827 transitions. [2024-11-07 13:00:26,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 13:00:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 827 transitions. [2024-11-07 13:00:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 13:00:26,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:26,638 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:00:26,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:00:26,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:26,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:26,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1225957943, now seen corresponding path program 1 times [2024-11-07 13:00:26,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:26,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293923826] [2024-11-07 13:00:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:26,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:27,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:00:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:27,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:00:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 13:00:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 13:00:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 13:00:27,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:27,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293923826] [2024-11-07 13:00:27,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293923826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:27,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:27,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 13:00:27,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054589374] [2024-11-07 13:00:27,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:27,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 13:00:27,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:27,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 13:00:27,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:00:27,509 INFO L87 Difference]: Start difference. First operand 613 states and 827 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 13:00:31,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:00:34,547 INFO L93 Difference]: Finished difference Result 1320 states and 1814 transitions. [2024-11-07 13:00:34,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 13:00:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-11-07 13:00:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:00:34,563 INFO L225 Difference]: With dead ends: 1320 [2024-11-07 13:00:34,564 INFO L226 Difference]: Without dead ends: 1311 [2024-11-07 13:00:34,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-07 13:00:34,570 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 1462 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 535 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-07 13:00:34,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 920 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 1497 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-07 13:00:34,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2024-11-07 13:00:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1189. [2024-11-07 13:00:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 943 states have (on average 1.3531283138918346) internal successors, (1276), 959 states have internal predecessors, (1276), 167 states have call successors, (167), 79 states have call predecessors, (167), 78 states have return successors, (174), 166 states have call predecessors, (174), 166 states have call successors, (174) [2024-11-07 13:00:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1617 transitions. [2024-11-07 13:00:34,674 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1617 transitions. Word has length 52 [2024-11-07 13:00:34,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:00:34,674 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1617 transitions. [2024-11-07 13:00:34,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 13:00:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1617 transitions. [2024-11-07 13:00:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 13:00:34,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:34,690 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:00:34,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:00:34,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:34,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:34,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1677233709, now seen corresponding path program 1 times [2024-11-07 13:00:34,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:34,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136737426] [2024-11-07 13:00:34,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:34,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:00:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:00:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 13:00:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 13:00:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:00:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:00:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:00:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:00:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 13:00:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 13:00:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 13:00:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:00:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:00:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 13:00:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 13:00:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 13:00:35,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:35,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136737426] [2024-11-07 13:00:35,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136737426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:35,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:35,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 13:00:35,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671863962] [2024-11-07 13:00:35,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:35,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 13:00:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:35,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 13:00:35,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 13:00:35,521 INFO L87 Difference]: Start difference. First operand 1189 states and 1617 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 13:00:39,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:43,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:47,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:51,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:55,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:59,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:00:59,453 INFO L93 Difference]: Finished difference Result 3292 states and 4652 transitions. [2024-11-07 13:00:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 13:00:59,454 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-11-07 13:00:59,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:00:59,473 INFO L225 Difference]: With dead ends: 3292 [2024-11-07 13:00:59,473 INFO L226 Difference]: Without dead ends: 2123 [2024-11-07 13:00:59,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-07 13:00:59,483 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1817 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 795 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2024-11-07 13:00:59,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 934 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [795 Valid, 1270 Invalid, 5 Unknown, 0 Unchecked, 23.1s Time] [2024-11-07 13:00:59,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-07 13:00:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1598. [2024-11-07 13:00:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1285 states have (on average 1.3782101167315175) internal successors, (1771), 1311 states have internal predecessors, (1771), 218 states have call successors, (218), 89 states have call predecessors, (218), 94 states have return successors, (235), 219 states have call predecessors, (235), 217 states have call successors, (235) [2024-11-07 13:00:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2224 transitions. [2024-11-07 13:00:59,674 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2224 transitions. Word has length 164 [2024-11-07 13:00:59,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:00:59,674 INFO L471 AbstractCegarLoop]: Abstraction has 1598 states and 2224 transitions. [2024-11-07 13:00:59,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 9 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-07 13:00:59,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2224 transitions. [2024-11-07 13:00:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 13:00:59,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:59,683 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:00:59,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:00:59,683 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:59,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:59,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1109032001, now seen corresponding path program 1 times [2024-11-07 13:00:59,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:59,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562344226] [2024-11-07 13:00:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:59,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:01:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:01:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 13:01:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 13:01:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:01:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:01:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 13:01:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:01:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:01:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:01:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:01:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 13:01:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 13:01:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 13:01:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:01:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:01:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 13:01:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-07 13:01:00,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:00,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562344226] [2024-11-07 13:01:00,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562344226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:00,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:00,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 13:01:00,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468217660] [2024-11-07 13:01:00,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:00,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 13:01:00,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:00,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 13:01:00,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 13:01:00,550 INFO L87 Difference]: Start difference. First operand 1598 states and 2224 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (23), 9 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-07 13:01:04,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:08,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:12,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:16,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:20,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:24,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:30,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:30,279 INFO L93 Difference]: Finished difference Result 5452 states and 7798 transitions. [2024-11-07 13:01:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 13:01:30,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (23), 9 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 186 [2024-11-07 13:01:30,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:30,304 INFO L225 Difference]: With dead ends: 5452 [2024-11-07 13:01:30,305 INFO L226 Difference]: Without dead ends: 3885 [2024-11-07 13:01:30,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2024-11-07 13:01:30,313 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 3730 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1642 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 3358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1642 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:30,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 1442 Invalid, 3358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1642 Valid, 1710 Invalid, 6 Unknown, 0 Unchecked, 28.6s Time] [2024-11-07 13:01:30,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2024-11-07 13:01:30,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 2860. [2024-11-07 13:01:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2289 states have (on average 1.3652249890782) internal successors, (3125), 2341 states have internal predecessors, (3125), 396 states have call successors, (396), 163 states have call predecessors, (396), 174 states have return successors, (423), 399 states have call predecessors, (423), 395 states have call successors, (423) [2024-11-07 13:01:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 3944 transitions. [2024-11-07 13:01:30,514 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 3944 transitions. Word has length 186 [2024-11-07 13:01:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:30,514 INFO L471 AbstractCegarLoop]: Abstraction has 2860 states and 3944 transitions. [2024-11-07 13:01:30,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (23), 9 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-07 13:01:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3944 transitions. [2024-11-07 13:01:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-07 13:01:30,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:30,521 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:01:30,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 13:01:30,522 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:30,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:30,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1937637858, now seen corresponding path program 1 times [2024-11-07 13:01:30,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:30,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972501641] [2024-11-07 13:01:30,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:01:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:01:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 13:01:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 13:01:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:01:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:01:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:01:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:01:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:01:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:01:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:01:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 13:01:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 13:01:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 13:01:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:01:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:32,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:01:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:32,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 13:01:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:32,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 13:01:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972501641] [2024-11-07 13:01:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972501641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:32,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 13:01:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961467166] [2024-11-07 13:01:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:32,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 13:01:32,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:32,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 13:01:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-07 13:01:32,213 INFO L87 Difference]: Start difference. First operand 2860 states and 3944 transitions. Second operand has 15 states, 15 states have (on average 7.466666666666667) internal successors, (112), 8 states have internal predecessors, (112), 5 states have call successors, (23), 9 states have call predecessors, (23), 3 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22)