./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.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', '4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3'] 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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.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 4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:00:31,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:00:31,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:00:31,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:00:31,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:00:31,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:00:31,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:00:31,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:00:31,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:00:31,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:00:31,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:00:31,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:00:31,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:00:31,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:00:31,935 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:00:31,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:00:31,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:00:31,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:00:31,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:00:31,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:00:31,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:00:31,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:00:31,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:00:31,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:00:31,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:00:31,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:00:31,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:00:31,938 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 -> 4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3 [2024-11-07 13:00:32,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:00:32,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:00:32,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:00:32,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:00:32,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:00:32,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-07 13:00:33,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:00:33,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:00:33,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-07 13:00:33,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68c070750/d9bdfdaa2ad04b87bf61a6c625ae9c18/FLAG1dbcce0fc [2024-11-07 13:00:33,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68c070750/d9bdfdaa2ad04b87bf61a6c625ae9c18 [2024-11-07 13:00:33,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:00:33,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:00:33,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:00:33,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:00:33,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:00:33,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:33" (1/1) ... [2024-11-07 13:00:33,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200c2ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:33, skipping insertion in model container [2024-11-07 13:00:33,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:33" (1/1) ... [2024-11-07 13:00:33,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:00:34,391 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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i[159401,159414] [2024-11-07 13:00:34,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:00:34,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:00:34,712 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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i[159401,159414] [2024-11-07 13:00:34,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:00:34,802 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:00:34,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34 WrapperNode [2024-11-07 13:00:34,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:00:34,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:00:34,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:00:34,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:00:34,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:34,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:34,893 INFO L138 Inliner]: procedures = 102, calls = 350, calls flagged for inlining = 36, calls inlined = 33, statements flattened = 1083 [2024-11-07 13:00:34,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:00:34,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:00:34,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:00:34,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:00:34,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:34,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:34,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:34,971 INFO L175 MemorySlicer]: Split 195 memory accesses to 10 slices as follows [79, 17, 2, 19, 44, 3, 2, 2, 26, 1]. 41 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 15, 2, 0, 0, 0, 0, 0, 26, 0]. The 86 writes are split as follows [19, 1, 0, 19, 44, 1, 1, 0, 0, 1]. [2024-11-07 13:00:34,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:34,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:35,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:35,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:35,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:35,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:35,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:00:35,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:00:35,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:00:35,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:00:35,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (1/1) ... [2024-11-07 13:00:35,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:00:35,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:00:35,095 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 13:00:35,104 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 13:00:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:00:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:00:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:00:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:00:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:00:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:00:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:00:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:00:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 13:00:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 13:00:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-07 13:00:35,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:00:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:00:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 13:00:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 13:00:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:00:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:00:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:00:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:00:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 13:00:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2024-11-07 13:00:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2024-11-07 13:00:35,132 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2024-11-07 13:00:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2024-11-07 13:00:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-07 13:00:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-07 13:00:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-07 13:00:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2024-11-07 13:00:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2024-11-07 13:00:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:00:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:00:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:00:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 13:00:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-07 13:00:35,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 13:00:35,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-07 13:00:35,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2024-11-07 13:00:35,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2024-11-07 13:00:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 13:00:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 13:00:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:00:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:00:35,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:00:35,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:00:35,545 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:00:40,750 INFO L? ?]: Removed 592 outVars from TransFormulas that were not future-live. [2024-11-07 13:00:40,751 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:00:40,764 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:00:40,764 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 13:00:40,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:40 BoogieIcfgContainer [2024-11-07 13:00:40,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:00:40,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:00:40,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:00:40,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:00:40,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:33" (1/3) ... [2024-11-07 13:00:40,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572b09b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:40, skipping insertion in model container [2024-11-07 13:00:40,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:34" (2/3) ... [2024-11-07 13:00:40,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572b09b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:40, skipping insertion in model container [2024-11-07 13:00:40,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:40" (3/3) ... [2024-11-07 13:00:40,771 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-07 13:00:40,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:00:40,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:00:40,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:00:40,831 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;@7f4f7004, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:00:40,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:00:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 340 states, 253 states have (on average 1.383399209486166) internal successors, (350), 259 states have internal predecessors, (350), 63 states have call successors, (63), 23 states have call predecessors, (63), 22 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 13:00:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 13:00:40,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:40,844 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:00:40,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:40,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:40,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1665583091, now seen corresponding path program 1 times [2024-11-07 13:00:40,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:40,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112509639] [2024-11-07 13:00:40,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:40,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:00:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:00:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 13:00:41,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112509639] [2024-11-07 13:00:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112509639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:41,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:41,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:00:41,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995034733] [2024-11-07 13:00:41,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:41,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:00:41,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:41,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:00:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:00:41,745 INFO L87 Difference]: Start difference. First operand has 340 states, 253 states have (on average 1.383399209486166) internal successors, (350), 259 states have internal predecessors, (350), 63 states have call successors, (63), 23 states have call predecessors, (63), 22 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 13:00:45,768 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 13:00:49,801 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 13:00:51,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:00:51,899 INFO L93 Difference]: Finished difference Result 1112 states and 1658 transitions. [2024-11-07 13:00:51,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 13:00:51,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2024-11-07 13:00:51,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:00:51,911 INFO L225 Difference]: With dead ends: 1112 [2024-11-07 13:00:51,911 INFO L226 Difference]: Without dead ends: 761 [2024-11-07 13:00:51,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 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 13:00:51,919 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1597 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 752 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-07 13:00:51,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 799 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 877 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-07 13:00:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-07 13:00:51,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 617. [2024-11-07 13:00:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 466 states have (on average 1.3562231759656653) internal successors, (632), 466 states have internal predecessors, (632), 110 states have call successors, (110), 41 states have call predecessors, (110), 40 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-07 13:00:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 851 transitions. [2024-11-07 13:00:52,012 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 851 transitions. Word has length 36 [2024-11-07 13:00:52,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:00:52,012 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 851 transitions. [2024-11-07 13:00:52,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 13:00:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 851 transitions. [2024-11-07 13:00:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 13:00:52,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:52,016 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, 1, 1, 1, 1] [2024-11-07 13:00:52,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:00:52,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:52,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:52,017 INFO L85 PathProgramCache]: Analyzing trace with hash 495097959, now seen corresponding path program 1 times [2024-11-07 13:00:52,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:52,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942978628] [2024-11-07 13:00:52,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:52,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:52,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:52,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:00:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:00:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:00:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:52,525 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 13:00:52,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:52,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942978628] [2024-11-07 13:00:52,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942978628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:52,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:52,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 13:00:52,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107361794] [2024-11-07 13:00:52,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:52,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 13:00:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:52,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 13:00:52,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:00:52,530 INFO L87 Difference]: Start difference. First operand 617 states and 851 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 13:00:56,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:00:58,969 INFO L93 Difference]: Finished difference Result 2094 states and 3010 transitions. [2024-11-07 13:00:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 13:00:58,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-07 13:00:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:00:58,983 INFO L225 Difference]: With dead ends: 2094 [2024-11-07 13:00:58,983 INFO L226 Difference]: Without dead ends: 1489 [2024-11-07 13:00:58,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 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 13:00:58,987 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1457 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 657 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-07 13:00:58,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 1260 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 1857 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-07 13:00:58,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2024-11-07 13:00:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1207. [2024-11-07 13:00:59,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 912 states have (on average 1.356359649122807) internal successors, (1237), 912 states have internal predecessors, (1237), 216 states have call successors, (216), 79 states have call predecessors, (216), 78 states have return successors, (225), 215 states have call predecessors, (225), 215 states have call successors, (225) [2024-11-07 13:00:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1678 transitions. [2024-11-07 13:00:59,097 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1678 transitions. Word has length 46 [2024-11-07 13:00:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:00:59,097 INFO L471 AbstractCegarLoop]: Abstraction has 1207 states and 1678 transitions. [2024-11-07 13:00:59,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 13:00:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1678 transitions. [2024-11-07 13:00:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 13:00:59,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:59,107 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-07 13:00:59,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:00:59,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:59,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1308560593, now seen corresponding path program 1 times [2024-11-07 13:00:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:59,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917568584] [2024-11-07 13:00:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:59,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:00:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:00:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:00:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:00:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 13:00:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 13:00:59,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:59,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917568584] [2024-11-07 13:00:59,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917568584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:59,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:59,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 13:00:59,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912965426] [2024-11-07 13:00:59,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:59,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 13:00:59,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:59,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 13:00:59,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:00:59,594 INFO L87 Difference]: Start difference. First operand 1207 states and 1678 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 13:01:03,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:07,615 WARN L539 Checker$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 13:01:11,624 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 13:01:13,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:13,804 INFO L93 Difference]: Finished difference Result 2966 states and 4228 transitions. [2024-11-07 13:01:13,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 13:01:13,804 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2024-11-07 13:01:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:13,814 INFO L225 Difference]: With dead ends: 2966 [2024-11-07 13:01:13,814 INFO L226 Difference]: Without dead ends: 1777 [2024-11-07 13:01:13,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-07 13:01:13,823 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 825 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 360 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:13,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 1066 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 1342 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2024-11-07 13:01:13,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2024-11-07 13:01:13,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1520. [2024-11-07 13:01:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1184 states have (on average 1.3783783783783783) internal successors, (1632), 1188 states have internal predecessors, (1632), 235 states have call successors, (235), 89 states have call predecessors, (235), 100 states have return successors, (282), 242 states have call predecessors, (282), 234 states have call successors, (282) [2024-11-07 13:01:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 2149 transitions. [2024-11-07 13:01:13,913 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 2149 transitions. Word has length 84 [2024-11-07 13:01:13,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:13,914 INFO L471 AbstractCegarLoop]: Abstraction has 1520 states and 2149 transitions. [2024-11-07 13:01:13,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 13:01:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2149 transitions. [2024-11-07 13:01:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-07 13:01:13,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:13,917 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-07 13:01:13,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:01:13,917 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:13,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:13,917 INFO L85 PathProgramCache]: Analyzing trace with hash -427930148, now seen corresponding path program 1 times [2024-11-07 13:01:13,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:13,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954039772] [2024-11-07 13:01:13,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:13,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:01:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:01:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:01:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 13:01:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:01:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:01:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 13:01:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 13:01:14,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954039772] [2024-11-07 13:01:14,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954039772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:14,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:14,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 13:01:14,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325670009] [2024-11-07 13:01:14,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:14,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 13:01:14,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:14,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 13:01:14,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:01:14,375 INFO L87 Difference]: Start difference. First operand 1520 states and 2149 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-07 13:01:18,385 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 13:01:22,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:26,401 WARN L539 Checker$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 13:01:30,407 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 13:01:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:32,795 INFO L93 Difference]: Finished difference Result 4332 states and 6200 transitions. [2024-11-07 13:01:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 13:01:32,796 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2024-11-07 13:01:32,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:32,808 INFO L225 Difference]: With dead ends: 4332 [2024-11-07 13:01:32,808 INFO L226 Difference]: Without dead ends: 2841 [2024-11-07 13:01:32,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2024-11-07 13:01:32,812 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 1479 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 655 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:32,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 1189 Invalid, 1940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 1281 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2024-11-07 13:01:32,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2024-11-07 13:01:32,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2364. [2024-11-07 13:01:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 1848 states have (on average 1.3668831168831168) internal successors, (2526), 1856 states have internal predecessors, (2526), 343 states have call successors, (343), 149 states have call predecessors, (343), 172 states have return successors, (425), 358 states have call predecessors, (425), 342 states have call successors, (425) [2024-11-07 13:01:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3294 transitions. [2024-11-07 13:01:32,916 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3294 transitions. Word has length 112 [2024-11-07 13:01:32,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:32,916 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3294 transitions. [2024-11-07 13:01:32,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-07 13:01:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3294 transitions. [2024-11-07 13:01:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-07 13:01:32,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:32,922 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-07 13:01:32,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 13:01:32,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:32,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:32,923 INFO L85 PathProgramCache]: Analyzing trace with hash -864471498, now seen corresponding path program 1 times [2024-11-07 13:01:32,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:32,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212654118] [2024-11-07 13:01:32,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:32,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:01:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:01:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:01:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 13:01:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:01:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:01:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:01:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-07 13:01:33,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:33,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212654118] [2024-11-07 13:01:33,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212654118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:33,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 13:01:33,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194561379] [2024-11-07 13:01:33,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:33,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 13:01:33,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:33,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 13:01:33,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-07 13:01:33,730 INFO L87 Difference]: Start difference. First operand 2364 states and 3294 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-07 13:01:37,741 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 13:01:41,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:45,760 WARN L539 Checker$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 13:01:48,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:48,665 INFO L93 Difference]: Finished difference Result 5163 states and 7337 transitions. [2024-11-07 13:01:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 13:01:48,665 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-07 13:01:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:48,677 INFO L225 Difference]: With dead ends: 5163 [2024-11-07 13:01:48,677 INFO L226 Difference]: Without dead ends: 2828 [2024-11-07 13:01:48,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=734, Unknown=0, NotChecked=0, Total=930 [2024-11-07 13:01:48,686 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 793 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 410 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 3351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:48,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1921 Invalid, 3351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 2938 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-11-07 13:01:48,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-11-07 13:01:48,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2448. [2024-11-07 13:01:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 1916 states have (on average 1.360125260960334) internal successors, (2606), 1928 states have internal predecessors, (2606), 343 states have call successors, (343), 149 states have call predecessors, (343), 188 states have return successors, (450), 370 states have call predecessors, (450), 342 states have call successors, (450) [2024-11-07 13:01:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 3399 transitions. [2024-11-07 13:01:48,822 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 3399 transitions. Word has length 112 [2024-11-07 13:01:48,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:48,822 INFO L471 AbstractCegarLoop]: Abstraction has 2448 states and 3399 transitions. [2024-11-07 13:01:48,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-07 13:01:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 3399 transitions. [2024-11-07 13:01:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-07 13:01:48,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:48,826 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 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] [2024-11-07 13:01:48,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 13:01:48,827 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:48,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:48,827 INFO L85 PathProgramCache]: Analyzing trace with hash 524260924, now seen corresponding path program 1 times [2024-11-07 13:01:48,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:48,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522716052] [2024-11-07 13:01:48,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:48,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:01:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:01:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:01:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 13:01:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:01:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:01:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:01:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 13:01:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-07 13:01:49,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:49,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522716052] [2024-11-07 13:01:49,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522716052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:49,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:49,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 13:01:49,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234724905] [2024-11-07 13:01:49,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:49,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 13:01:49,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:49,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 13:01:49,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-07 13:01:49,766 INFO L87 Difference]: Start difference. First operand 2448 states and 3399 transitions. Second operand has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (13), 7 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 13:01:53,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:57,790 WARN L539 Checker$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 13:02:01,800 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 13:02:04,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:02:04,225 INFO L93 Difference]: Finished difference Result 5255 states and 7430 transitions. [2024-11-07 13:02:04,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 13:02:04,226 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (13), 7 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-07 13:02:04,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:02:04,240 INFO L225 Difference]: With dead ends: 5255 [2024-11-07 13:02:04,240 INFO L226 Difference]: Without dead ends: 2836 [2024-11-07 13:02:04,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=692, Unknown=0, NotChecked=0, Total=812 [2024-11-07 13:02:04,250 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 785 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 3163 mSolverCounterSat, 404 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 3570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 3163 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-07 13:02:04,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1963 Invalid, 3570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 3163 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2024-11-07 13:02:04,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2836 states. [2024-11-07 13:02:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2836 to 2404. [2024-11-07 13:02:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 1876 states have (on average 1.3571428571428572) internal successors, (2546), 1888 states have internal predecessors, (2546), 343 states have call successors, (343), 149 states have call predecessors, (343), 184 states have return successors, (442), 366 states have call predecessors, (442), 342 states have call successors, (442) [2024-11-07 13:02:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3331 transitions. [2024-11-07 13:02:04,385 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3331 transitions. Word has length 119 [2024-11-07 13:02:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:02:04,386 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 3331 transitions. [2024-11-07 13:02:04,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (13), 7 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 13:02:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3331 transitions. [2024-11-07 13:02:04,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-07 13:02:04,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:02:04,390 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-07 13:02:04,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 13:02:04,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:02:04,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:02:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1223775231, now seen corresponding path program 1 times [2024-11-07 13:02:04,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:02:04,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449512776] [2024-11-07 13:02:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:02:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:02:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:02:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 13:02:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 13:02:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:02:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 13:02:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:02:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:02:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:02:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:02:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:02:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:05,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:02:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:05,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:02:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:02:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-07 13:02:05,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:02:05,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449512776] [2024-11-07 13:02:05,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449512776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:02:05,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:02:05,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 13:02:05,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490444768] [2024-11-07 13:02:05,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:02:05,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 13:02:05,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:02:05,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 13:02:05,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 13:02:05,116 INFO L87 Difference]: Start difference. First operand 2404 states and 3331 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)