./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.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 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 08:01:08,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:01:08,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:01:08,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:01:08,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:01:08,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:01:08,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:01:08,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:01:08,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:01:08,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:01:08,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:01:08,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:01:08,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:01:08,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:01:08,777 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:01:08,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:01:08,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:01:08,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:01:08,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:01:08,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:01:08,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:01:08,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:01:08,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:01:08,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:01:08,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:01:08,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:01:08,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:01:08,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:01:08,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:01:08,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:01:08,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:01:08,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:01:08,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:01:08,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:01:08,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:01:08,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:01:08,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:01:08,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:01:08,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:01:08,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-10-13 08:01:09,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:01:09,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:01:09,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:01:09,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:01:09,088 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:01:09,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-13 08:01:10,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:01:11,084 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:01:11,088 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-13 08:01:11,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f895a1b4/85451ed317ea4a76b70c6de70c41f988/FLAG9166c8e8d [2024-10-13 08:01:11,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f895a1b4/85451ed317ea4a76b70c6de70c41f988 [2024-10-13 08:01:11,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:01:11,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:01:11,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:01:11,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:01:11,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:01:11,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:01:11" (1/1) ... [2024-10-13 08:01:11,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c838e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:11, skipping insertion in model container [2024-10-13 08:01:11,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:01:11" (1/1) ... [2024-10-13 08:01:11,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:01:12,079 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-10-13 08:01:12,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:01:12,544 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:01:12,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-10-13 08:01:12,738 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-10-13 08:01:12,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:01:12,919 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:01:12,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12 WrapperNode [2024-10-13 08:01:12,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:01:12,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:01:12,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:01:12,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:01:12,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:12,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,070 INFO L138 Inliner]: procedures = 157, calls = 723, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1707 [2024-10-13 08:01:13,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:01:13,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:01:13,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:01:13,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:01:13,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,356 INFO L175 MemorySlicer]: Split 241 memory accesses to 7 slices as follows [2, 42, 16, 3, 158, 6, 14]. 66 percent of accesses are in the largest equivalence class. The 66 initializations are split as follows [2, 42, 16, 0, 0, 6, 0]. The 67 writes are split as follows [0, 0, 0, 2, 51, 0, 14]. [2024-10-13 08:01:13,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:01:13,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:01:13,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:01:13,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:01:13,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (1/1) ... [2024-10-13 08:01:13,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:01:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:01:13,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 08:01:13,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 08:01:13,592 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-10-13 08:01:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-10-13 08:01:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-10-13 08:01:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-13 08:01:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-13 08:01:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-10-13 08:01:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-10-13 08:01:13,594 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-13 08:01:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-13 08:01:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-13 08:01:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-13 08:01:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-13 08:01:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-13 08:01:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-13 08:01:13,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-13 08:01:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-13 08:01:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-13 08:01:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-13 08:01:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-13 08:01:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-13 08:01:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:01:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:01:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:01:13,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:01:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:01:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:01:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:01:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:01:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:01:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-10-13 08:01:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-10-13 08:01:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-10-13 08:01:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-10-13 08:01:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-13 08:01:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-13 08:01:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-13 08:01:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-13 08:01:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-13 08:01:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-13 08:01:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-13 08:01:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-13 08:01:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-13 08:01:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-13 08:01:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-13 08:01:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-13 08:01:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-13 08:01:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-13 08:01:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:01:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:01:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-10-13 08:01:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-10-13 08:01:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-10-13 08:01:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-10-13 08:01:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-10-13 08:01:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-13 08:01:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-10-13 08:01:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-10-13 08:01:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-13 08:01:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:01:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:01:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:01:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:01:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:01:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-13 08:01:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-13 08:01:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-13 08:01:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-13 08:01:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-10-13 08:01:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-10-13 08:01:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-10-13 08:01:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-10-13 08:01:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 08:01:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 08:01:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-10-13 08:01:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-10-13 08:01:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:01:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-10-13 08:01:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-10-13 08:01:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-10-13 08:01:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-10-13 08:01:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-13 08:01:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-13 08:01:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-10-13 08:01:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-10-13 08:01:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:01:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-10-13 08:01:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-10-13 08:01:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-10-13 08:01:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-10-13 08:01:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-13 08:01:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-13 08:01:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:01:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-10-13 08:01:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-13 08:01:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-10-13 08:01:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:01:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:01:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:01:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:01:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:01:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:01:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:01:13,613 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-10-13 08:01:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-10-13 08:01:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-10-13 08:01:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-10-13 08:01:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-10-13 08:01:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-10-13 08:01:13,614 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-10-13 08:01:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-10-13 08:01:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-10-13 08:01:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-10-13 08:01:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-10-13 08:01:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-10-13 08:01:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-13 08:01:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:01:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-13 08:01:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-10-13 08:01:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-10-13 08:01:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-10-13 08:01:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-10-13 08:01:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-10-13 08:01:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-10-13 08:01:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:01:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:01:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:01:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-13 08:01:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-13 08:01:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-13 08:01:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-13 08:01:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-13 08:01:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-10-13 08:01:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-10-13 08:01:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:01:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:01:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-10-13 08:01:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-10-13 08:01:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-10-13 08:01:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-10-13 08:01:14,156 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:01:14,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:01:14,333 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:01:15,003 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-10-13 08:01:16,592 INFO L? ?]: Removed 873 outVars from TransFormulas that were not future-live. [2024-10-13 08:01:16,593 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:01:16,748 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:01:16,749 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 08:01:16,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:01:16 BoogieIcfgContainer [2024-10-13 08:01:16,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:01:16,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:01:16,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:01:16,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:01:16,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:01:11" (1/3) ... [2024-10-13 08:01:16,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62563835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:01:16, skipping insertion in model container [2024-10-13 08:01:16,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:01:12" (2/3) ... [2024-10-13 08:01:16,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62563835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:01:16, skipping insertion in model container [2024-10-13 08:01:16,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:01:16" (3/3) ... [2024-10-13 08:01:16,760 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-13 08:01:16,777 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:01:16,778 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 08:01:16,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:01:16,887 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7796e1f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:01:16,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 08:01:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 807 states, 550 states have (on average 1.430909090909091) internal successors, (787), 574 states have internal predecessors, (787), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-10-13 08:01:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 08:01:16,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:16,915 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:16,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:16,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:16,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1298131049, now seen corresponding path program 1 times [2024-10-13 08:01:16,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:16,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992931153] [2024-10-13 08:01:16,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:01:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 08:01:17,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:17,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992931153] [2024-10-13 08:01:17,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992931153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:17,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:17,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 08:01:17,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252126309] [2024-10-13 08:01:17,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:17,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 08:01:17,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 08:01:17,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 08:01:17,754 INFO L87 Difference]: Start difference. First operand has 807 states, 550 states have (on average 1.430909090909091) internal successors, (787), 574 states have internal predecessors, (787), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 08:01:22,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:22,186 INFO L93 Difference]: Finished difference Result 2459 states and 3670 transitions. [2024-10-13 08:01:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:01:22,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-10-13 08:01:22,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:22,229 INFO L225 Difference]: With dead ends: 2459 [2024-10-13 08:01:22,229 INFO L226 Difference]: Without dead ends: 1636 [2024-10-13 08:01:22,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:01:22,247 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 1709 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:22,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 1437 Invalid, 2088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-13 08:01:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2024-10-13 08:01:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1544. [2024-10-13 08:01:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1065 states have (on average 1.4028169014084506) internal successors, (1494), 1092 states have internal predecessors, (1494), 370 states have call successors, (370), 109 states have call predecessors, (370), 108 states have return successors, (365), 355 states have call predecessors, (365), 365 states have call successors, (365) [2024-10-13 08:01:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2229 transitions. [2024-10-13 08:01:22,467 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2229 transitions. Word has length 48 [2024-10-13 08:01:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:22,468 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 2229 transitions. [2024-10-13 08:01:22,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 08:01:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2229 transitions. [2024-10-13 08:01:22,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 08:01:22,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:22,480 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:22,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:01:22,481 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:22,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:22,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1671720691, now seen corresponding path program 1 times [2024-10-13 08:01:22,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:22,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820960772] [2024-10-13 08:01:22,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 08:01:23,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:23,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820960772] [2024-10-13 08:01:23,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820960772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:23,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:23,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:01:23,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972751976] [2024-10-13 08:01:23,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:23,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:01:23,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:23,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:01:23,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:01:23,123 INFO L87 Difference]: Start difference. First operand 1544 states and 2229 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:27,652 INFO L93 Difference]: Finished difference Result 4939 states and 7299 transitions. [2024-10-13 08:01:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:01:27,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2024-10-13 08:01:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:27,680 INFO L225 Difference]: With dead ends: 4939 [2024-10-13 08:01:27,680 INFO L226 Difference]: Without dead ends: 3407 [2024-10-13 08:01:27,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:01:27,690 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 2593 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:27,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 1420 Invalid, 2803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-13 08:01:27,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2024-10-13 08:01:27,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3129. [2024-10-13 08:01:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3129 states, 2160 states have (on average 1.399537037037037) internal successors, (3023), 2210 states have internal predecessors, (3023), 742 states have call successors, (742), 217 states have call predecessors, (742), 226 states have return successors, (793), 727 states have call predecessors, (793), 737 states have call successors, (793) [2024-10-13 08:01:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 4558 transitions. [2024-10-13 08:01:27,907 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 4558 transitions. Word has length 55 [2024-10-13 08:01:27,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:27,908 INFO L471 AbstractCegarLoop]: Abstraction has 3129 states and 4558 transitions. [2024-10-13 08:01:27,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 4558 transitions. [2024-10-13 08:01:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-13 08:01:27,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:27,912 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:27,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:01:27,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:27,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash -284215861, now seen corresponding path program 1 times [2024-10-13 08:01:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:27,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335394742] [2024-10-13 08:01:27,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 08:01:28,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:28,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335394742] [2024-10-13 08:01:28,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335394742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:28,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:28,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:01:28,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711511641] [2024-10-13 08:01:28,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:28,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:01:28,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:01:28,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:01:28,545 INFO L87 Difference]: Start difference. First operand 3129 states and 4558 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:33,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:33,067 INFO L93 Difference]: Finished difference Result 9890 states and 14768 transitions. [2024-10-13 08:01:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:01:33,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2024-10-13 08:01:33,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:33,115 INFO L225 Difference]: With dead ends: 9890 [2024-10-13 08:01:33,116 INFO L226 Difference]: Without dead ends: 6773 [2024-10-13 08:01:33,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:01:33,137 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 2566 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 1167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 2798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1167 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:33,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2733 Valid, 1466 Invalid, 2798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1167 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-13 08:01:33,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2024-10-13 08:01:33,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6292. [2024-10-13 08:01:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6292 states, 4343 states have (on average 1.3955790927930003) internal successors, (6061), 4439 states have internal predecessors, (6061), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-10-13 08:01:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 9244 transitions. [2024-10-13 08:01:33,521 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 9244 transitions. Word has length 56 [2024-10-13 08:01:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:33,523 INFO L471 AbstractCegarLoop]: Abstraction has 6292 states and 9244 transitions. [2024-10-13 08:01:33,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 9244 transitions. [2024-10-13 08:01:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 08:01:33,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:33,528 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:33,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:01:33,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:33,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:33,530 INFO L85 PathProgramCache]: Analyzing trace with hash -221234224, now seen corresponding path program 1 times [2024-10-13 08:01:33,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:33,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858099919] [2024-10-13 08:01:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:33,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 08:01:33,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858099919] [2024-10-13 08:01:33,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858099919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:33,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:33,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:01:33,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586068059] [2024-10-13 08:01:33,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:33,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:01:33,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:33,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:01:33,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:01:33,878 INFO L87 Difference]: Start difference. First operand 6292 states and 9244 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:38,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:38,180 INFO L93 Difference]: Finished difference Result 6771 states and 10057 transitions. [2024-10-13 08:01:38,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:01:38,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2024-10-13 08:01:38,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:38,230 INFO L225 Difference]: With dead ends: 6771 [2024-10-13 08:01:38,231 INFO L226 Difference]: Without dead ends: 6768 [2024-10-13 08:01:38,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:01:38,237 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 2558 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 1151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1151 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:38,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 1466 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1151 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-13 08:01:38,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6768 states. [2024-10-13 08:01:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6768 to 6293. [2024-10-13 08:01:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6293 states, 4344 states have (on average 1.39548802946593) internal successors, (6062), 4440 states have internal predecessors, (6062), 1486 states have call successors, (1486), 433 states have call predecessors, (1486), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-10-13 08:01:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 9245 transitions. [2024-10-13 08:01:38,572 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 9245 transitions. Word has length 57 [2024-10-13 08:01:38,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:38,574 INFO L471 AbstractCegarLoop]: Abstraction has 6293 states and 9245 transitions. [2024-10-13 08:01:38,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 9245 transitions. [2024-10-13 08:01:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-13 08:01:38,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:38,578 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:38,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 08:01:38,578 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:38,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:38,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1731201390, now seen corresponding path program 1 times [2024-10-13 08:01:38,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:38,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310692972] [2024-10-13 08:01:38,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 08:01:38,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:38,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310692972] [2024-10-13 08:01:38,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310692972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:38,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:38,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:01:38,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720547840] [2024-10-13 08:01:38,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:38,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:01:38,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:38,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:01:38,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:01:38,945 INFO L87 Difference]: Start difference. First operand 6293 states and 9245 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:42,195 INFO L93 Difference]: Finished difference Result 6767 states and 10053 transitions. [2024-10-13 08:01:42,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:01:42,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2024-10-13 08:01:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:42,252 INFO L225 Difference]: With dead ends: 6767 [2024-10-13 08:01:42,252 INFO L226 Difference]: Without dead ends: 6764 [2024-10-13 08:01:42,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:01:42,258 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 1390 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:42,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 1185 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-13 08:01:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6764 states. [2024-10-13 08:01:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6764 to 6292. [2024-10-13 08:01:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6292 states, 4344 states have (on average 1.3952578268876612) internal successors, (6061), 4439 states have internal predecessors, (6061), 1485 states have call successors, (1485), 433 states have call predecessors, (1485), 462 states have return successors, (1697), 1471 states have call predecessors, (1697), 1481 states have call successors, (1697) [2024-10-13 08:01:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 9243 transitions. [2024-10-13 08:01:42,651 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 9243 transitions. Word has length 58 [2024-10-13 08:01:42,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:42,652 INFO L471 AbstractCegarLoop]: Abstraction has 6292 states and 9243 transitions. [2024-10-13 08:01:42,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 9243 transitions. [2024-10-13 08:01:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 08:01:42,655 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:42,655 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:42,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 08:01:42,656 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:42,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:42,656 INFO L85 PathProgramCache]: Analyzing trace with hash 2127168147, now seen corresponding path program 1 times [2024-10-13 08:01:42,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:42,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945314837] [2024-10-13 08:01:42,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:42,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 08:01:42,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:42,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945314837] [2024-10-13 08:01:42,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945314837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:42,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:42,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:01:42,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047389616] [2024-10-13 08:01:42,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:42,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:01:42,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:42,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:01:42,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:01:42,959 INFO L87 Difference]: Start difference. First operand 6292 states and 9243 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:45,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:45,688 INFO L93 Difference]: Finished difference Result 6766 states and 10051 transitions. [2024-10-13 08:01:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:01:45,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2024-10-13 08:01:45,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:45,744 INFO L225 Difference]: With dead ends: 6766 [2024-10-13 08:01:45,744 INFO L226 Difference]: Without dead ends: 6751 [2024-10-13 08:01:45,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:01:45,749 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 1389 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:45,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1184 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 08:01:45,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6751 states. [2024-10-13 08:01:46,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6751 to 6279. [2024-10-13 08:01:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6279 states, 4334 states have (on average 1.3947854176280572) internal successors, (6045), 4428 states have internal predecessors, (6045), 1483 states have call successors, (1483), 432 states have call predecessors, (1483), 461 states have return successors, (1696), 1470 states have call predecessors, (1696), 1480 states have call successors, (1696) [2024-10-13 08:01:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6279 states to 6279 states and 9224 transitions. [2024-10-13 08:01:46,101 INFO L78 Accepts]: Start accepts. Automaton has 6279 states and 9224 transitions. Word has length 59 [2024-10-13 08:01:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:46,102 INFO L471 AbstractCegarLoop]: Abstraction has 6279 states and 9224 transitions. [2024-10-13 08:01:46,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 08:01:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 6279 states and 9224 transitions. [2024-10-13 08:01:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-13 08:01:46,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:46,113 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:46,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 08:01:46,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:46,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:46,116 INFO L85 PathProgramCache]: Analyzing trace with hash 35623484, now seen corresponding path program 1 times [2024-10-13 08:01:46,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:46,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811020750] [2024-10-13 08:01:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 08:01:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 08:01:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 08:01:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 08:01:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 08:01:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 08:01:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 08:01:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 08:01:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:01:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:01:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:01:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 08:01:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:01:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 08:01:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 08:01:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 08:01:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-13 08:01:46,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:46,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811020750] [2024-10-13 08:01:46,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811020750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:46,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:46,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:01:46,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717915680] [2024-10-13 08:01:46,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:46,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:01:46,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:46,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:01:46,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:01:46,649 INFO L87 Difference]: Start difference. First operand 6279 states and 9224 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 08:01:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:01:52,806 INFO L93 Difference]: Finished difference Result 17517 states and 25745 transitions. [2024-10-13 08:01:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 08:01:52,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 160 [2024-10-13 08:01:52,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:01:52,859 INFO L225 Difference]: With dead ends: 17517 [2024-10-13 08:01:52,859 INFO L226 Difference]: Without dead ends: 11250 [2024-10-13 08:01:52,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2024-10-13 08:01:52,887 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 4307 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 2500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4383 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 4657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2500 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-13 08:01:52,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4383 Valid, 2268 Invalid, 4657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2500 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-13 08:01:52,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11250 states. [2024-10-13 08:01:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11250 to 9887. [2024-10-13 08:01:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9887 states, 6914 states have (on average 1.40381833960081) internal successors, (9706), 7040 states have internal predecessors, (9706), 2181 states have call successors, (2181), 720 states have call predecessors, (2181), 791 states have return successors, (2344), 2198 states have call predecessors, (2344), 2178 states have call successors, (2344) [2024-10-13 08:01:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9887 states to 9887 states and 14231 transitions. [2024-10-13 08:01:53,812 INFO L78 Accepts]: Start accepts. Automaton has 9887 states and 14231 transitions. Word has length 160 [2024-10-13 08:01:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:01:53,813 INFO L471 AbstractCegarLoop]: Abstraction has 9887 states and 14231 transitions. [2024-10-13 08:01:53,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 08:01:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 9887 states and 14231 transitions. [2024-10-13 08:01:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 08:01:53,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:01:53,829 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:01:53,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 08:01:53,830 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:01:53,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:01:53,830 INFO L85 PathProgramCache]: Analyzing trace with hash -866353012, now seen corresponding path program 1 times [2024-10-13 08:01:53,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:01:53,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426527381] [2024-10-13 08:01:53,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:01:53,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:01:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:01:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:01:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:01:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:01:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:01:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 08:01:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:01:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 08:01:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:01:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 08:01:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:01:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 08:01:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 08:01:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 08:01:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:01:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 08:01:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 08:01:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 08:01:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 08:01:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 08:01:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 08:01:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 08:01:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 08:01:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 08:01:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 08:01:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:01:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 08:01:54,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:01:54,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426527381] [2024-10-13 08:01:54,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426527381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:01:54,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:01:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 08:01:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060789088] [2024-10-13 08:01:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:01:54,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 08:01:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:01:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 08:01:54,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 08:01:54,361 INFO L87 Difference]: Start difference. First operand 9887 states and 14231 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-13 08:02:00,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:02:00,192 INFO L93 Difference]: Finished difference Result 21127 states and 30747 transitions. [2024-10-13 08:02:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 08:02:00,193 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 188 [2024-10-13 08:02:00,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:02:00,246 INFO L225 Difference]: With dead ends: 21127 [2024-10-13 08:02:00,247 INFO L226 Difference]: Without dead ends: 11252 [2024-10-13 08:02:00,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-10-13 08:02:00,277 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 3491 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 2103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3630 SdHoareTripleChecker+Valid, 2303 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2103 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-13 08:02:00,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3630 Valid, 2303 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2103 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-13 08:02:00,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11252 states. [2024-10-13 08:02:01,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11252 to 9895. [2024-10-13 08:02:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9895 states, 6922 states have (on average 1.402484830973707) internal successors, (9708), 7048 states have internal predecessors, (9708), 2181 states have call successors, (2181), 720 states have call predecessors, (2181), 791 states have return successors, (2344), 2198 states have call predecessors, (2344), 2178 states have call successors, (2344) [2024-10-13 08:02:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9895 states to 9895 states and 14233 transitions. [2024-10-13 08:02:01,390 INFO L78 Accepts]: Start accepts. Automaton has 9895 states and 14233 transitions. Word has length 188 [2024-10-13 08:02:01,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:02:01,391 INFO L471 AbstractCegarLoop]: Abstraction has 9895 states and 14233 transitions. [2024-10-13 08:02:01,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-13 08:02:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 9895 states and 14233 transitions. [2024-10-13 08:02:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 08:02:01,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:02:01,410 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:02:01,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 08:02:01,410 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:02:01,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:02:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1026231950, now seen corresponding path program 1 times [2024-10-13 08:02:01,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:02:01,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842193554] [2024-10-13 08:02:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:02:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:02:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:02:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:02:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:02:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:02:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:02:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:02:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 08:02:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:02:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 08:02:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 08:02:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 08:02:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 08:02:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 08:02:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 08:02:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:02:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:02:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 08:02:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 08:02:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 08:02:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 08:02:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 08:02:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:02:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 08:02:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 08:02:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 08:02:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 08:02:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-13 08:02:01,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:02:01,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842193554] [2024-10-13 08:02:01,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842193554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:02:01,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:02:01,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 08:02:01,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651109142] [2024-10-13 08:02:01,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:02:01,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 08:02:01,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:02:01,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 08:02:01,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 08:02:01,941 INFO L87 Difference]: Start difference. First operand 9895 states and 14233 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-13 08:02:12,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:02:12,509 INFO L93 Difference]: Finished difference Result 26792 states and 39012 transitions. [2024-10-13 08:02:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 08:02:12,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 190 [2024-10-13 08:02:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:02:12,608 INFO L225 Difference]: With dead ends: 26792 [2024-10-13 08:02:12,608 INFO L226 Difference]: Without dead ends: 16909 [2024-10-13 08:02:12,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2024-10-13 08:02:12,767 INFO L432 NwaCegarLoop]: 955 mSDtfsCounter, 3048 mSDsluCounter, 4125 mSDsCounter, 0 mSdLazyCounter, 4146 mSolverCounterSat, 1793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3184 SdHoareTripleChecker+Valid, 5080 SdHoareTripleChecker+Invalid, 5939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1793 IncrementalHoareTripleChecker+Valid, 4146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-10-13 08:02:12,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3184 Valid, 5080 Invalid, 5939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1793 Valid, 4146 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-10-13 08:02:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16909 states. [2024-10-13 08:02:14,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16909 to 14847. [2024-10-13 08:02:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14847 states, 10381 states have (on average 1.4022733840670456) internal successors, (14557), 10573 states have internal predecessors, (14557), 3266 states have call successors, (3266), 1092 states have call predecessors, (3266), 1199 states have return successors, (3512), 3285 states have call predecessors, (3512), 3263 states have call successors, (3512) [2024-10-13 08:02:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14847 states to 14847 states and 21335 transitions. [2024-10-13 08:02:14,389 INFO L78 Accepts]: Start accepts. Automaton has 14847 states and 21335 transitions. Word has length 190 [2024-10-13 08:02:14,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:02:14,390 INFO L471 AbstractCegarLoop]: Abstraction has 14847 states and 21335 transitions. [2024-10-13 08:02:14,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 8 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-13 08:02:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14847 states and 21335 transitions. [2024-10-13 08:02:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 08:02:14,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:02:14,411 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:02:14,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 08:02:14,412 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 08:02:14,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:02:14,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1570123160, now seen corresponding path program 1 times [2024-10-13 08:02:14,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:02:14,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581589041] [2024-10-13 08:02:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:02:14,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:02:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:02:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:02:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 08:02:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 08:02:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 08:02:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 08:02:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 08:02:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:02:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 08:02:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 08:02:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:14,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 08:02:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 08:02:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 08:02:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 08:02:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 08:02:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 08:02:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 08:02:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:02:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 08:02:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 08:02:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 08:02:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 08:02:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 08:02:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 08:02:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 08:02:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 08:02:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 08:02:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 08:02:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-13 08:02:15,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:02:15,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581589041] [2024-10-13 08:02:15,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581589041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 08:02:15,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462763145] [2024-10-13 08:02:15,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:02:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 08:02:15,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:02:15,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 08:02:15,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 08:02:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:02:15,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 08:02:15,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 08:02:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-13 08:02:16,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 08:02:16,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462763145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:02:16,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 08:02:16,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-10-13 08:02:16,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566660528] [2024-10-13 08:02:16,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:02:16,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:02:16,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:02:16,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:02:16,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-10-13 08:02:16,088 INFO L87 Difference]: Start difference. First operand 14847 states and 21335 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)