./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/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 c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 14:48:27,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 14:48:27,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 14:48:27,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 14:48:27,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 14:48:27,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 14:48:27,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 14:48:27,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 14:48:27,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 14:48:27,115 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 14:48:27,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 14:48:27,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 14:48:27,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 14:48:27,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 14:48:27,132 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 14:48:27,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 14:48:27,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 14:48:27,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 14:48:27,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 14:48:27,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 14:48:27,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 14:48:27,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 14:48:27,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 14:48:27,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 14:48:27,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 14:48:27,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 14:48:27,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 14:48:27,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 14:48:27,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 14:48:27,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 14:48:27,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 14:48:27,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 14:48:27,137 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 14:48:27,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 14:48:27,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 14:48:27,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 14:48:27,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 14:48:27,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 14:48:27,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 14:48:27,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3 [2023-11-23 14:48:27,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 14:48:27,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 14:48:27,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 14:48:27,374 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 14:48:27,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 14:48:27,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/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 [2023-11-23 14:48:28,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 14:48:28,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 14:48:28,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/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 [2023-11-23 14:48:28,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06bd4726f/3202a6a5a2f149239a25b02473e0a6be/FLAGa9d2c7d59 [2023-11-23 14:48:28,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06bd4726f/3202a6a5a2f149239a25b02473e0a6be [2023-11-23 14:48:28,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 14:48:28,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 14:48:28,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 14:48:28,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 14:48:28,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 14:48:28,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:28" (1/1) ... [2023-11-23 14:48:28,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f94ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:28, skipping insertion in model container [2023-11-23 14:48:28,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:28" (1/1) ... [2023-11-23 14:48:28,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 14:48:29,174 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/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] [2023-11-23 14:48:29,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 14:48:29,402 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 14:48:29,513 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/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] [2023-11-23 14:48:29,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 14:48:29,601 INFO L206 MainTranslator]: Completed translation [2023-11-23 14:48:29,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29 WrapperNode [2023-11-23 14:48:29,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 14:48:29,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 14:48:29,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 14:48:29,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 14:48:29,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,692 INFO L138 Inliner]: procedures = 102, calls = 322, calls flagged for inlining = 36, calls inlined = 33, statements flattened = 1045 [2023-11-23 14:48:29,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 14:48:29,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 14:48:29,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 14:48:29,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 14:48:29,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,782 INFO L175 MemorySlicer]: Split 165 memory accesses to 13 slices as follows [2, 0, 17, 2, 42, 3, 0, 3, 2, 14, 0, 79, 1]. 48 percent of accesses are in the largest equivalence class. The 63 initializations are split as follows [2, 0, 17, 0, 42, 0, 0, 0, 0, 0, 0, 2, 0]. The 38 writes are split as follows [0, 0, 0, 0, 0, 2, 0, 1, 1, 14, 0, 19, 1]. [2023-11-23 14:48:29,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 14:48:29,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 14:48:29,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 14:48:29,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 14:48:29,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (1/1) ... [2023-11-23 14:48:29,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 14:48:29,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:48:29,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 14:48:29,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 14:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 14:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 14:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 14:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 14:48:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 14:48:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 14:48:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 14:48:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 14:48:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 14:48:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-23 14:48:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-23 14:48:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 14:48:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 14:48:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 14:48:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 14:48:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 14:48:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2023-11-23 14:48:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-23 14:48:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 14:48:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 14:48:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 14:48:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 14:48:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-23 14:48:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 14:48:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 14:48:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 14:48:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2023-11-23 14:48:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2023-11-23 14:48:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2023-11-23 14:48:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2023-11-23 14:48:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-23 14:48:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-23 14:48:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 14:48:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 14:48:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 14:48:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-23 14:48:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-23 14:48:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-23 14:48:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-23 14:48:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-23 14:48:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-23 14:48:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-23 14:48:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 14:48:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 14:48:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 14:48:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 14:48:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-23 14:48:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-23 14:48:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2023-11-23 14:48:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 14:48:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 14:48:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 14:48:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 14:48:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 14:48:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 14:48:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 14:48:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 14:48:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 14:48:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 14:48:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2023-11-23 14:48:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 14:48:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 14:48:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 14:48:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 14:48:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 14:48:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 14:48:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 14:48:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 14:48:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 14:48:30,370 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 14:48:30,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 14:48:30,557 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 14:48:31,918 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 14:48:32,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 14:48:32,028 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 14:48:32,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:32 BoogieIcfgContainer [2023-11-23 14:48:32,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 14:48:32,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 14:48:32,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 14:48:32,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 14:48:32,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:48:28" (1/3) ... [2023-11-23 14:48:32,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d85497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:48:32, skipping insertion in model container [2023-11-23 14:48:32,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:29" (2/3) ... [2023-11-23 14:48:32,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d85497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:48:32, skipping insertion in model container [2023-11-23 14:48:32,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:32" (3/3) ... [2023-11-23 14:48:32,034 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 [2023-11-23 14:48:32,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 14:48:32,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 14:48:32,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 14:48:32,091 INFO L357 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, mHoare=true, 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;@53b17efc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 14:48:32,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 14:48:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 201 states have (on average 1.4825870646766168) internal successors, (298), 207 states have internal predecessors, (298), 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) [2023-11-23 14:48:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 14:48:32,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:48:32,109 INFO L195 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] [2023-11-23 14:48:32,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:48:32,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:48:32,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1867313533, now seen corresponding path program 1 times [2023-11-23 14:48:32,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:48:32,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088661188] [2023-11-23 14:48:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:48:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:48:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:48:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:48:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 14:48:32,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:48:32,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088661188] [2023-11-23 14:48:32,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088661188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:48:32,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:48:32,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 14:48:32,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240511560] [2023-11-23 14:48:32,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:48:32,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 14:48:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:48:32,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 14:48:32,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 14:48:32,692 INFO L87 Difference]: Start difference. First operand has 288 states, 201 states have (on average 1.4825870646766168) internal successors, (298), 207 states have internal predecessors, (298), 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 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-23 14:48:36,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:48:36,179 INFO L93 Difference]: Finished difference Result 947 states and 1493 transitions. [2023-11-23 14:48:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 14:48:36,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 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 27 [2023-11-23 14:48:36,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:48:36,193 INFO L225 Difference]: With dead ends: 947 [2023-11-23 14:48:36,193 INFO L226 Difference]: Without dead ends: 649 [2023-11-23 14:48:36,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 14:48:36,203 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 1335 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 14:48:36,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1354 Valid, 628 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [757 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 14:48:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2023-11-23 14:48:36,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 533. [2023-11-23 14:48:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 382 states have (on average 1.4345549738219896) internal successors, (548), 382 states have internal predecessors, (548), 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) [2023-11-23 14:48:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 767 transitions. [2023-11-23 14:48:36,299 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 767 transitions. Word has length 27 [2023-11-23 14:48:36,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:48:36,300 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 767 transitions. [2023-11-23 14:48:36,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-23 14:48:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 767 transitions. [2023-11-23 14:48:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 14:48:36,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:48:36,302 INFO L195 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] [2023-11-23 14:48:36,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 14:48:36,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:48:36,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:48:36,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1471396037, now seen corresponding path program 1 times [2023-11-23 14:48:36,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:48:36,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506721100] [2023-11-23 14:48:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:48:36,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:48:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:48:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:48:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:48:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 14:48:36,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:48:36,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506721100] [2023-11-23 14:48:36,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506721100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:48:36,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:48:36,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 14:48:36,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017578639] [2023-11-23 14:48:36,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:48:36,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 14:48:36,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:48:36,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 14:48:36,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 14:48:36,568 INFO L87 Difference]: Start difference. First operand 533 states and 767 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-23 14:48:39,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:48:39,953 INFO L93 Difference]: Finished difference Result 1798 states and 2714 transitions. [2023-11-23 14:48:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 14:48:39,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 4 states have internal predecessors, (24), 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 36 [2023-11-23 14:48:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:48:39,960 INFO L225 Difference]: With dead ends: 1798 [2023-11-23 14:48:39,960 INFO L226 Difference]: Without dead ends: 1276 [2023-11-23 14:48:39,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-23 14:48:39,963 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 1307 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 1914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 14:48:39,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 766 Invalid, 1914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [738 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 14:48:39,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2023-11-23 14:48:40,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1048. [2023-11-23 14:48:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 753 states have (on average 1.4316069057104914) internal successors, (1078), 753 states have internal predecessors, (1078), 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) [2023-11-23 14:48:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1519 transitions. [2023-11-23 14:48:40,064 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1519 transitions. Word has length 36 [2023-11-23 14:48:40,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:48:40,065 INFO L495 AbstractCegarLoop]: Abstraction has 1048 states and 1519 transitions. [2023-11-23 14:48:40,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-23 14:48:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1519 transitions. [2023-11-23 14:48:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 14:48:40,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:48:40,073 INFO L195 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] [2023-11-23 14:48:40,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 14:48:40,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:48:40,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:48:40,074 INFO L85 PathProgramCache]: Analyzing trace with hash 55665688, now seen corresponding path program 1 times [2023-11-23 14:48:40,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:48:40,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970535489] [2023-11-23 14:48:40,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:48:40,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:48:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:48:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:48:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:48:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:48:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 14:48:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 14:48:40,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:48:40,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970535489] [2023-11-23 14:48:40,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970535489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:48:40,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:48:40,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 14:48:40,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114750283] [2023-11-23 14:48:40,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:48:40,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 14:48:40,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:48:40,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 14:48:40,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 14:48:40,302 INFO L87 Difference]: Start difference. First operand 1048 states and 1519 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-23 14:48:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:48:43,318 INFO L93 Difference]: Finished difference Result 2558 states and 3820 transitions. [2023-11-23 14:48:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 14:48:43,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 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 73 [2023-11-23 14:48:43,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:48:43,325 INFO L225 Difference]: With dead ends: 2558 [2023-11-23 14:48:43,325 INFO L226 Difference]: Without dead ends: 1523 [2023-11-23 14:48:43,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2023-11-23 14:48:43,332 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 884 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-23 14:48:43,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 601 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-23 14:48:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2023-11-23 14:48:43,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1318. [2023-11-23 14:48:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 982 states have (on average 1.4562118126272912) internal successors, (1430), 986 states have internal predecessors, (1430), 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) [2023-11-23 14:48:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1947 transitions. [2023-11-23 14:48:43,410 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1947 transitions. Word has length 73 [2023-11-23 14:48:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:48:43,412 INFO L495 AbstractCegarLoop]: Abstraction has 1318 states and 1947 transitions. [2023-11-23 14:48:43,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-23 14:48:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1947 transitions. [2023-11-23 14:48:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 14:48:43,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:48:43,416 INFO L195 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] [2023-11-23 14:48:43,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 14:48:43,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:48:43,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:48:43,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1354192966, now seen corresponding path program 1 times [2023-11-23 14:48:43,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:48:43,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641834098] [2023-11-23 14:48:43,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:48:43,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:48:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:48:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:48:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:48:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:48:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 14:48:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:48:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 14:48:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:48:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 14:48:43,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:48:43,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641834098] [2023-11-23 14:48:43,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641834098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:48:43,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:48:43,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 14:48:43,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504587846] [2023-11-23 14:48:43,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:48:43,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 14:48:43,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:48:43,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 14:48:43,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 14:48:43,737 INFO L87 Difference]: Start difference. First operand 1318 states and 1947 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 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) [2023-11-23 14:48:48,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:48:48,020 INFO L93 Difference]: Finished difference Result 3732 states and 5600 transitions. [2023-11-23 14:48:48,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 14:48:48,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 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 97 [2023-11-23 14:48:48,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:48:48,031 INFO L225 Difference]: With dead ends: 3732 [2023-11-23 14:48:48,031 INFO L226 Difference]: Without dead ends: 2437 [2023-11-23 14:48:48,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2023-11-23 14:48:48,037 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 1243 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 659 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-23 14:48:48,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1259 Valid, 755 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [659 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-23 14:48:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2023-11-23 14:48:48,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2050. [2023-11-23 14:48:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2050 states, 1534 states have (on average 1.4419817470664928) internal successors, (2212), 1542 states have internal predecessors, (2212), 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) [2023-11-23 14:48:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 2050 states and 2980 transitions. [2023-11-23 14:48:48,168 INFO L78 Accepts]: Start accepts. Automaton has 2050 states and 2980 transitions. Word has length 97 [2023-11-23 14:48:48,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:48:48,169 INFO L495 AbstractCegarLoop]: Abstraction has 2050 states and 2980 transitions. [2023-11-23 14:48:48,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 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) [2023-11-23 14:48:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2980 transitions. [2023-11-23 14:48:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 14:48:48,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:48:48,172 INFO L195 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] [2023-11-23 14:48:48,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 14:48:48,172 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:48:48,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:48:48,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1944161702, now seen corresponding path program 1 times [2023-11-23 14:48:48,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:48:48,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599374225] [2023-11-23 14:48:48,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:48:48,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:48:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:48:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:48:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:48:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:48:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 14:48:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:48:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 14:48:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:48:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-23 14:48:48,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:48:48,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599374225] [2023-11-23 14:48:48,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599374225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:48:48,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:48:48,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 14:48:48,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334439700] [2023-11-23 14:48:48,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:48:48,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 14:48:48,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:48:48,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 14:48:48,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-11-23 14:48:48,806 INFO L87 Difference]: Start difference. First operand 2050 states and 2980 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 7 states have internal predecessors, (59), 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) [2023-11-23 14:48:55,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:48:55,840 INFO L93 Difference]: Finished difference Result 4483 states and 6685 transitions. [2023-11-23 14:48:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 14:48:55,841 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 7 states have internal predecessors, (59), 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 97 [2023-11-23 14:48:55,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:48:55,850 INFO L225 Difference]: With dead ends: 4483 [2023-11-23 14:48:55,850 INFO L226 Difference]: Without dead ends: 2456 [2023-11-23 14:48:55,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2023-11-23 14:48:55,855 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 662 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 3572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-23 14:48:55,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 1512 Invalid, 3572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 3158 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-23 14:48:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2023-11-23 14:48:55,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2138. [2023-11-23 14:48:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2138 states, 1602 states have (on average 1.4307116104868913) internal successors, (2292), 1618 states have internal predecessors, (2292), 343 states have call successors, (343), 149 states have call predecessors, (343), 192 states have return successors, (454), 370 states have call predecessors, (454), 342 states have call successors, (454) [2023-11-23 14:48:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3089 transitions. [2023-11-23 14:48:55,959 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3089 transitions. Word has length 97 [2023-11-23 14:48:55,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:48:55,960 INFO L495 AbstractCegarLoop]: Abstraction has 2138 states and 3089 transitions. [2023-11-23 14:48:55,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 7 states have internal predecessors, (59), 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) [2023-11-23 14:48:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3089 transitions. [2023-11-23 14:48:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 14:48:55,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:48:55,966 INFO L195 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] [2023-11-23 14:48:55,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 14:48:55,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:48:55,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:48:55,967 INFO L85 PathProgramCache]: Analyzing trace with hash -288410720, now seen corresponding path program 1 times [2023-11-23 14:48:55,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:48:55,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741575798] [2023-11-23 14:48:55,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:48:55,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:48:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:48:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:48:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:48:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:48:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 14:48:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:48:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 14:48:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:48:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:48:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:48:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:48:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-23 14:48:56,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:48:56,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741575798] [2023-11-23 14:48:56,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741575798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:48:56,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:48:56,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-23 14:48:56,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347234322] [2023-11-23 14:48:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:48:56,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 14:48:56,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:48:56,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 14:48:56,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-11-23 14:48:56,579 INFO L87 Difference]: Start difference. First operand 2138 states and 3089 transitions. Second operand has 17 states, 16 states have (on average 3.9375) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (13), 7 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 14:49:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:02,845 INFO L93 Difference]: Finished difference Result 4563 states and 6766 transitions. [2023-11-23 14:49:02,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 14:49:02,845 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (13), 7 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2023-11-23 14:49:02,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:02,854 INFO L225 Difference]: With dead ends: 4563 [2023-11-23 14:49:02,854 INFO L226 Difference]: Without dead ends: 2448 [2023-11-23 14:49:02,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2023-11-23 14:49:02,858 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 652 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 4033 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 4445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 4033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:02,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1814 Invalid, 4445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 4033 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-23 14:49:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2023-11-23 14:49:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2090. [2023-11-23 14:49:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2090 states, 1562 states have (on average 1.4289372599231753) internal successors, (2232), 1574 states have internal predecessors, (2232), 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) [2023-11-23 14:49:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 3017 transitions. [2023-11-23 14:49:02,949 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 3017 transitions. Word has length 103 [2023-11-23 14:49:02,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:02,950 INFO L495 AbstractCegarLoop]: Abstraction has 2090 states and 3017 transitions. [2023-11-23 14:49:02,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (13), 7 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 14:49:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 3017 transitions. [2023-11-23 14:49:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 14:49:02,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:02,952 INFO L195 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] [2023-11-23 14:49:02,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 14:49:02,953 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:02,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:02,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1055455196, now seen corresponding path program 1 times [2023-11-23 14:49:02,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:02,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375594928] [2023-11-23 14:49:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:49:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:49:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 14:49:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:49:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 14:49:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 14:49:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-23 14:49:03,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:03,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375594928] [2023-11-23 14:49:03,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375594928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:49:03,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:49:03,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 14:49:03,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012679176] [2023-11-23 14:49:03,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:49:03,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 14:49:03,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:03,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 14:49:03,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-23 14:49:03,457 INFO L87 Difference]: Start difference. First operand 2090 states and 3017 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 4 states have internal predecessors, (63), 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) [2023-11-23 14:49:07,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:07,459 INFO L93 Difference]: Finished difference Result 4767 states and 7182 transitions. [2023-11-23 14:49:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 14:49:07,460 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 4 states have internal predecessors, (63), 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) Word has length 103 [2023-11-23 14:49:07,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:07,469 INFO L225 Difference]: With dead ends: 4767 [2023-11-23 14:49:07,469 INFO L226 Difference]: Without dead ends: 2700 [2023-11-23 14:49:07,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2023-11-23 14:49:07,474 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 662 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:07,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 882 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1881 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 14:49:07,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2023-11-23 14:49:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2158. [2023-11-23 14:49:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1586 states have (on average 1.4123581336696092) internal successors, (2240), 1594 states have internal predecessors, (2240), 391 states have call successors, (391), 149 states have call predecessors, (391), 180 states have return successors, (502), 414 states have call predecessors, (502), 390 states have call successors, (502) [2023-11-23 14:49:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3133 transitions. [2023-11-23 14:49:07,578 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3133 transitions. Word has length 103 [2023-11-23 14:49:07,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:07,579 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 3133 transitions. [2023-11-23 14:49:07,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 4 states have internal predecessors, (63), 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) [2023-11-23 14:49:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3133 transitions. [2023-11-23 14:49:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 14:49:07,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:07,582 INFO L195 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] [2023-11-23 14:49:07,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 14:49:07,582 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:07,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:07,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1768373482, now seen corresponding path program 1 times [2023-11-23 14:49:07,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:07,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597114230] [2023-11-23 14:49:07,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:07,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 14:49:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 14:49:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 14:49:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 14:49:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 14:49:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-23 14:49:07,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597114230] [2023-11-23 14:49:07,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597114230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:49:07,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 14:49:07,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 14:49:07,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39638506] [2023-11-23 14:49:07,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:49:07,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 14:49:07,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:07,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 14:49:07,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-23 14:49:07,930 INFO L87 Difference]: Start difference. First operand 2158 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 14:49:12,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:12,509 INFO L93 Difference]: Finished difference Result 4841 states and 7221 transitions. [2023-11-23 14:49:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 14:49:12,509 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 109 [2023-11-23 14:49:12,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:12,518 INFO L225 Difference]: With dead ends: 4841 [2023-11-23 14:49:12,518 INFO L226 Difference]: Without dead ends: 2699 [2023-11-23 14:49:12,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-11-23 14:49:12,522 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 651 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:12,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 850 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 14:49:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2023-11-23 14:49:12,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2159. [2023-11-23 14:49:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1587 states have (on average 1.4120982986767485) internal successors, (2241), 1595 states have internal predecessors, (2241), 391 states have call successors, (391), 149 states have call predecessors, (391), 180 states have return successors, (502), 414 states have call predecessors, (502), 390 states have call successors, (502) [2023-11-23 14:49:12,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3134 transitions. [2023-11-23 14:49:12,627 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3134 transitions. Word has length 109 [2023-11-23 14:49:12,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:12,628 INFO L495 AbstractCegarLoop]: Abstraction has 2159 states and 3134 transitions. [2023-11-23 14:49:12,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (14), 8 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 14:49:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3134 transitions. [2023-11-23 14:49:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 14:49:12,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:12,630 INFO L195 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] [2023-11-23 14:49:12,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 14:49:12,631 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:12,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:12,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1384905270, now seen corresponding path program 1 times [2023-11-23 14:49:12,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:12,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340717390] [2023-11-23 14:49:12,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:12,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:49:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 14:49:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 14:49:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 14:49:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 14:49:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 14:49:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-23 14:49:13,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340717390] [2023-11-23 14:49:13,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340717390] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233454887] [2023-11-23 14:49:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:13,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:13,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:49:13,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:49:13,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 14:49:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:13,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 14:49:13,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:49:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 14:49:13,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 14:49:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 14:49:13,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233454887] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:13,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 14:49:13,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11, 6] total 16 [2023-11-23 14:49:13,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950328360] [2023-11-23 14:49:13,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:49:13,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 14:49:13,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:13,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 14:49:13,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-23 14:49:13,685 INFO L87 Difference]: Start difference. First operand 2159 states and 3134 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 14:49:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:14,598 INFO L93 Difference]: Finished difference Result 4297 states and 6245 transitions. [2023-11-23 14:49:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 14:49:14,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 110 [2023-11-23 14:49:14,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:14,604 INFO L225 Difference]: With dead ends: 4297 [2023-11-23 14:49:14,604 INFO L226 Difference]: Without dead ends: 2160 [2023-11-23 14:49:14,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-23 14:49:14,609 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:14,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1089 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 14:49:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2023-11-23 14:49:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2023-11-23 14:49:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2160 states, 1588 states have (on average 1.4118387909319898) internal successors, (2242), 1596 states have internal predecessors, (2242), 391 states have call successors, (391), 149 states have call predecessors, (391), 180 states have return successors, (502), 414 states have call predecessors, (502), 390 states have call successors, (502) [2023-11-23 14:49:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3135 transitions. [2023-11-23 14:49:14,707 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3135 transitions. Word has length 110 [2023-11-23 14:49:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:14,707 INFO L495 AbstractCegarLoop]: Abstraction has 2160 states and 3135 transitions. [2023-11-23 14:49:14,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 14:49:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3135 transitions. [2023-11-23 14:49:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 14:49:14,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:14,710 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:49:14,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 14:49:14,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:14,924 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:14,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:14,924 INFO L85 PathProgramCache]: Analyzing trace with hash -476456154, now seen corresponding path program 1 times [2023-11-23 14:49:14,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:14,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97948500] [2023-11-23 14:49:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:49:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 14:49:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 14:49:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 14:49:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:49:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:49:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 14:49:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 14:49:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-23 14:49:15,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:15,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97948500] [2023-11-23 14:49:15,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97948500] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:15,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309642889] [2023-11-23 14:49:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:15,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:15,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:49:15,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:49:15,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 14:49:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:15,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-23 14:49:15,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:49:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-23 14:49:16,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 14:49:16,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309642889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:49:16,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 14:49:16,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [11] total 24 [2023-11-23 14:49:16,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493241255] [2023-11-23 14:49:16,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:49:16,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 14:49:16,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:16,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 14:49:16,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2023-11-23 14:49:16,183 INFO L87 Difference]: Start difference. First operand 2160 states and 3135 transitions. Second operand has 15 states, 13 states have (on average 6.153846153846154) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 7 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-23 14:49:20,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:20,319 INFO L93 Difference]: Finished difference Result 4585 states and 6728 transitions. [2023-11-23 14:49:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 14:49:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.153846153846154) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 7 states have call predecessors, (15), 3 states have call successors, (15) Word has length 129 [2023-11-23 14:49:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:20,326 INFO L225 Difference]: With dead ends: 4585 [2023-11-23 14:49:20,326 INFO L226 Difference]: Without dead ends: 2450 [2023-11-23 14:49:20,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=740, Unknown=0, NotChecked=0, Total=812 [2023-11-23 14:49:20,330 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 39 mSDsluCounter, 4766 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5169 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:20,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5169 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-23 14:49:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2450 states. [2023-11-23 14:49:20,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2450 to 2204. [2023-11-23 14:49:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2204 states, 1620 states have (on average 1.4037037037037037) internal successors, (2274), 1624 states have internal predecessors, (2274), 395 states have call successors, (395), 149 states have call predecessors, (395), 188 states have return successors, (526), 430 states have call predecessors, (526), 394 states have call successors, (526) [2023-11-23 14:49:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 3195 transitions. [2023-11-23 14:49:20,454 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 3195 transitions. Word has length 129 [2023-11-23 14:49:20,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:20,454 INFO L495 AbstractCegarLoop]: Abstraction has 2204 states and 3195 transitions. [2023-11-23 14:49:20,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.153846153846154) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 7 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-23 14:49:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 3195 transitions. [2023-11-23 14:49:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 14:49:20,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:20,456 INFO L195 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] [2023-11-23 14:49:20,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 14:49:20,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 14:49:20,670 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:20,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:20,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1270816635, now seen corresponding path program 1 times [2023-11-23 14:49:20,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:20,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726536053] [2023-11-23 14:49:20,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:20,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:49:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 14:49:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 14:49:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 14:49:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:49:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:49:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 14:49:21,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:21,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726536053] [2023-11-23 14:49:21,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726536053] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:21,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178668088] [2023-11-23 14:49:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:21,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:21,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:49:21,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:49:21,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 14:49:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:21,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-23 14:49:21,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:49:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-23 14:49:21,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 14:49:21,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178668088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 14:49:21,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 14:49:21,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [11] total 24 [2023-11-23 14:49:21,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312937085] [2023-11-23 14:49:21,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 14:49:21,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 14:49:21,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:21,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 14:49:21,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2023-11-23 14:49:21,830 INFO L87 Difference]: Start difference. First operand 2204 states and 3195 transitions. Second operand has 15 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 11 states have internal predecessors, (69), 4 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-23 14:49:26,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:26,245 INFO L93 Difference]: Finished difference Result 4677 states and 6852 transitions. [2023-11-23 14:49:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 14:49:26,245 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 11 states have internal predecessors, (69), 4 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) Word has length 111 [2023-11-23 14:49:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:26,253 INFO L225 Difference]: With dead ends: 4677 [2023-11-23 14:49:26,253 INFO L226 Difference]: Without dead ends: 2498 [2023-11-23 14:49:26,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2023-11-23 14:49:26,304 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 43 mSDsluCounter, 4935 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 5353 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:26,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 5353 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-23 14:49:26,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2023-11-23 14:49:26,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2220. [2023-11-23 14:49:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 1636 states have (on average 1.3997555012224938) internal successors, (2290), 1632 states have internal predecessors, (2290), 395 states have call successors, (395), 149 states have call predecessors, (395), 188 states have return successors, (526), 438 states have call predecessors, (526), 394 states have call successors, (526) [2023-11-23 14:49:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3211 transitions. [2023-11-23 14:49:26,453 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3211 transitions. Word has length 111 [2023-11-23 14:49:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:26,454 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 3211 transitions. [2023-11-23 14:49:26,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 11 states have internal predecessors, (69), 4 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-23 14:49:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3211 transitions. [2023-11-23 14:49:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 14:49:26,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:26,459 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:49:26,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-23 14:49:26,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:26,671 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:26,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:26,672 INFO L85 PathProgramCache]: Analyzing trace with hash 881388593, now seen corresponding path program 1 times [2023-11-23 14:49:26,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:26,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826476939] [2023-11-23 14:49:26,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:26,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 14:49:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 14:49:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 14:49:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 14:49:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:49:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:49:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 14:49:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 14:49:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 14:49:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:49:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 14:49:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 14:49:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 14:49:27,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:27,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826476939] [2023-11-23 14:49:27,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826476939] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:27,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504627164] [2023-11-23 14:49:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:27,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:27,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:49:27,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:49:27,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 14:49:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:27,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 14:49:27,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:49:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 14:49:27,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 14:49:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 14:49:27,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504627164] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 14:49:27,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 14:49:27,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2023-11-23 14:49:27,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315541516] [2023-11-23 14:49:27,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 14:49:27,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-23 14:49:27,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:27,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-23 14:49:27,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-11-23 14:49:27,886 INFO L87 Difference]: Start difference. First operand 2220 states and 3211 transitions. Second operand has 17 states, 14 states have (on average 10.928571428571429) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (54), 9 states have call predecessors, (54), 5 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 14:49:33,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:33,747 INFO L93 Difference]: Finished difference Result 5097 states and 7618 transitions. [2023-11-23 14:49:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 14:49:33,747 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 10.928571428571429) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (54), 9 states have call predecessors, (54), 5 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 155 [2023-11-23 14:49:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:33,756 INFO L225 Difference]: With dead ends: 5097 [2023-11-23 14:49:33,757 INFO L226 Difference]: Without dead ends: 2893 [2023-11-23 14:49:33,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2023-11-23 14:49:33,761 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 1006 mSDsluCounter, 1227 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 3362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:33,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 1383 Invalid, 3362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 2641 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-23 14:49:33,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2023-11-23 14:49:33,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2287. [2023-11-23 14:49:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2287 states, 1691 states have (on average 1.4056771141336488) internal successors, (2377), 1691 states have internal predecessors, (2377), 403 states have call successors, (403), 149 states have call predecessors, (403), 192 states have return successors, (562), 446 states have call predecessors, (562), 402 states have call successors, (562) [2023-11-23 14:49:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3342 transitions. [2023-11-23 14:49:33,881 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3342 transitions. Word has length 155 [2023-11-23 14:49:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:33,881 INFO L495 AbstractCegarLoop]: Abstraction has 2287 states and 3342 transitions. [2023-11-23 14:49:33,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 10.928571428571429) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (54), 9 states have call predecessors, (54), 5 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 14:49:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3342 transitions. [2023-11-23 14:49:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-23 14:49:33,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:33,885 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:49:33,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 14:49:34,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:34,096 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:34,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1017868015, now seen corresponding path program 2 times [2023-11-23 14:49:34,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:34,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279354954] [2023-11-23 14:49:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:34,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 14:49:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 14:49:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-23 14:49:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-23 14:49:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 14:49:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 14:49:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 14:49:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 14:49:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 14:49:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:49:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 14:49:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 14:49:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-23 14:49:34,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:34,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279354954] [2023-11-23 14:49:34,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279354954] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:34,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599218206] [2023-11-23 14:49:34,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 14:49:34,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:34,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:49:34,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:49:34,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 14:49:41,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 14:49:41,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 14:49:41,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 14:49:41,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:49:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 14:49:41,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 14:49:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-23 14:49:41,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599218206] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 14:49:41,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 14:49:41,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 5] total 20 [2023-11-23 14:49:41,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501628850] [2023-11-23 14:49:41,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 14:49:41,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-23 14:49:41,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:49:41,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-23 14:49:41,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2023-11-23 14:49:41,274 INFO L87 Difference]: Start difference. First operand 2287 states and 3342 transitions. Second operand has 20 states, 17 states have (on average 9.117647058823529) internal successors, (155), 13 states have internal predecessors, (155), 2 states have call successors, (53), 9 states have call predecessors, (53), 6 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 14:49:49,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 14:49:49,238 INFO L93 Difference]: Finished difference Result 5158 states and 7742 transitions. [2023-11-23 14:49:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 14:49:49,239 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 9.117647058823529) internal successors, (155), 13 states have internal predecessors, (155), 2 states have call successors, (53), 9 states have call predecessors, (53), 6 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 158 [2023-11-23 14:49:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 14:49:49,246 INFO L225 Difference]: With dead ends: 5158 [2023-11-23 14:49:49,247 INFO L226 Difference]: Without dead ends: 2896 [2023-11-23 14:49:49,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2023-11-23 14:49:49,251 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 822 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 2147 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 569 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 14:49:49,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 2147 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [569 Valid, 4314 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 14:49:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2896 states. [2023-11-23 14:49:49,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2896 to 2290. [2023-11-23 14:49:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 1694 states have (on average 1.4049586776859504) internal successors, (2380), 1694 states have internal predecessors, (2380), 403 states have call successors, (403), 149 states have call predecessors, (403), 192 states have return successors, (562), 446 states have call predecessors, (562), 402 states have call successors, (562) [2023-11-23 14:49:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3345 transitions. [2023-11-23 14:49:49,375 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3345 transitions. Word has length 158 [2023-11-23 14:49:49,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 14:49:49,375 INFO L495 AbstractCegarLoop]: Abstraction has 2290 states and 3345 transitions. [2023-11-23 14:49:49,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 9.117647058823529) internal successors, (155), 13 states have internal predecessors, (155), 2 states have call successors, (53), 9 states have call predecessors, (53), 6 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 14:49:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3345 transitions. [2023-11-23 14:49:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-23 14:49:49,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 14:49:49,381 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 14:49:49,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 14:49:49,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 14:49:49,581 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 14:49:49,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 14:49:49,582 INFO L85 PathProgramCache]: Analyzing trace with hash 698082262, now seen corresponding path program 3 times [2023-11-23 14:49:49,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 14:49:49,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343411285] [2023-11-23 14:49:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 14:49:49,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 14:49:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 14:49:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 14:49:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 14:49:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 14:49:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 14:49:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 14:49:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:50,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 14:49:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 14:49:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:51,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 14:49:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:51,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 14:49:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 14:49:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 14:49:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 14:49:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 14:49:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 14:49:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 14:49:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 14:49:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 14:49:52,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 14:49:52,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343411285] [2023-11-23 14:49:52,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343411285] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:49:52,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500637704] [2023-11-23 14:49:52,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 14:49:52,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 14:49:52,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 14:49:52,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 14:49:52,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 14:49:57,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-23 14:49:57,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 14:49:57,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-23 14:49:57,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 14:49:59,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 14:50:12,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 14:50:14,407 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-23 14:50:14,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2023-11-23 14:50:14,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2023-11-23 14:50:16,663 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-23 14:50:16,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2023-11-23 14:50:16,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 14:50:16,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2023-11-23 14:50:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 14:50:16,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 14:50:17,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2023-11-23 14:50:17,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500637704] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 14:50:17,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 14:50:17,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 24] total 55 [2023-11-23 14:50:17,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203480739] [2023-11-23 14:50:17,448 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 14:50:17,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-11-23 14:50:17,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 14:50:17,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-11-23 14:50:17,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=3311, Unknown=11, NotChecked=0, Total=3540 [2023-11-23 14:50:17,450 INFO L87 Difference]: Start difference. First operand 2290 states and 3345 transitions. Second operand has 55 states, 51 states have (on average 3.235294117647059) internal successors, (165), 39 states have internal predecessors, (165), 19 states have call successors, (40), 12 states have call predecessors, (40), 16 states have return successors, (35), 23 states have call predecessors, (35), 18 states have call successors, (35) [2023-11-23 14:50:30,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:32,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:36,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:39,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:41,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:45,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:47,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:49,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:51,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:53,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:55,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:57,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:50:59,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:06,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:10,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:12,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:14,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:18,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:20,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:22,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:24,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:26,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:28,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:31,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:33,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:35,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:37,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:40,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:42,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:44,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:46,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:48,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:50,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:55,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:51:59,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:01,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:03,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:05,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:07,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:09,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:11,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:13,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:15,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:17,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:22,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:26,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:28,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:30,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:32,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:34,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:36,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:40,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:42,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 14:52:44,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Killed by 15